Home / 716,210.74-988,039.47-429,232.60

Finding the Fourth Proportional to 716,210.74, 988,039.47 and 429,232.60

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Solution

The fourth proportional to 716,210.74, 988,039.47 and 429,232.60 is: 592,142.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,210.74 : 988,039.47 = 429,232.60 : x
  2. Step 2: Convert to fraction form
    716,210.74/988,039.47 = 429,232.60/x
  3. Step 3: Cross multiply
    716,210.74x = 988,039.47 × 429,232.60
  4. Step 4: Simplify right side
    716,210.74x = 424,098,750,610.72
  5. Step 5: Solve for x
    x = 424,098,750,610.72/716,210.74
  6. Step 6: Final answer
    x = 592,142.41

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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.