Home / 772,312.82-1,158,423.06-458,765.06

Finding the Fourth Proportional to 772,312.82, 1,158,423.06 and 458,765.06

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Solution

The fourth proportional to 772,312.82, 1,158,423.06 and 458,765.06 is: 688,120.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,312.82 : 1,158,423.06 = 458,765.06 : x
  2. Step 2: Convert to fraction form
    772,312.82/1,158,423.06 = 458,765.06/x
  3. Step 3: Cross multiply
    772,312.82x = 1,158,423.06 × 458,765.06
  4. Step 4: Simplify right side
    772,312.82x = 531,444,024,626.28
  5. Step 5: Solve for x
    x = 531,444,024,626.28/772,312.82
  6. Step 6: Final answer
    x = 688,120.16

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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.