Home / 674,528.06-930,420.63-513,029.04

Finding the Fourth Proportional to 674,528.06, 930,420.63 and 513,029.04

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Solution

The fourth proportional to 674,528.06, 930,420.63 and 513,029.04 is: 707,654.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,528.06 : 930,420.63 = 513,029.04 : x
  2. Step 2: Convert to fraction form
    674,528.06/930,420.63 = 513,029.04/x
  3. Step 3: Cross multiply
    674,528.06x = 930,420.63 × 513,029.04
  4. Step 4: Simplify right side
    674,528.06x = 477,332,802,605.10
  5. Step 5: Solve for x
    x = 477,332,802,605.10/674,528.06
  6. Step 6: Final answer
    x = 707,654.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.