Home / 716,214.60-988,044.80-429,236.46

Finding the Fourth Proportional to 716,214.60, 988,044.80 and 429,236.46

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Solution

The fourth proportional to 716,214.60, 988,044.80 and 429,236.46 is: 592,147.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,214.60 : 988,044.80 = 429,236.46 : x
  2. Step 2: Convert to fraction form
    716,214.60/988,044.80 = 429,236.46/x
  3. Step 3: Cross multiply
    716,214.60x = 988,044.80 × 429,236.46
  4. Step 4: Simplify right side
    716,214.60x = 424,104,850,127.23
  5. Step 5: Solve for x
    x = 424,104,850,127.23/716,214.60
  6. Step 6: Final answer
    x = 592,147.73

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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.