Home / 772,705.80-1,159,058.70-744,712.20

Finding the Fourth Proportional to 772,705.80, 1,159,058.70 and 744,712.20

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Solution

The fourth proportional to 772,705.80, 1,159,058.70 and 744,712.20 is: 1,117,068.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,705.80 : 1,159,058.70 = 744,712.20 : x
  2. Step 2: Convert to fraction form
    772,705.80/1,159,058.70 = 744,712.20/x
  3. Step 3: Cross multiply
    772,705.80x = 1,159,058.70 × 744,712.20
  4. Step 4: Simplify right side
    772,705.80x = 863,165,154,406.14
  5. Step 5: Solve for x
    x = 863,165,154,406.14/772,705.80
  6. Step 6: Final answer
    x = 1,117,068.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.