Home / 718,397.57-1,076,376.93-433,489.49

Finding the Fourth Proportional to 718,397.57, 1,076,376.93 and 433,489.49

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Solution

The fourth proportional to 718,397.57, 1,076,376.93 and 433,489.49 is: 649,498.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,397.57 : 1,076,376.93 = 433,489.49 : x
  2. Step 2: Convert to fraction form
    718,397.57/1,076,376.93 = 433,489.49/x
  3. Step 3: Cross multiply
    718,397.57x = 1,076,376.93 × 433,489.49
  4. Step 4: Simplify right side
    718,397.57x = 466,598,084,266.02
  5. Step 5: Solve for x
    x = 466,598,084,266.02/718,397.57
  6. Step 6: Final answer
    x = 649,498.41

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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.