Home / 772,563.90-1,154,146.54-500,477.18

Finding the Fourth Proportional to 772,563.90, 1,154,146.54 and 500,477.18

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Solution

The fourth proportional to 772,563.90, 1,154,146.54 and 500,477.18 is: 747,671.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,563.90 : 1,154,146.54 = 500,477.18 : x
  2. Step 2: Convert to fraction form
    772,563.90/1,154,146.54 = 500,477.18/x
  3. Step 3: Cross multiply
    772,563.90x = 1,154,146.54 × 500,477.18
  4. Step 4: Simplify right side
    772,563.90x = 577,624,003,943.09
  5. Step 5: Solve for x
    x = 577,624,003,943.09/772,563.90
  6. Step 6: Final answer
    x = 747,671.49

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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 (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.