Home / 716,211.60-988,040.67-429,233.46

Finding the Fourth Proportional to 716,211.60, 988,040.67 and 429,233.46

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Solution

The fourth proportional to 716,211.60, 988,040.67 and 429,233.46 is: 592,143.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,211.60 : 988,040.67 = 429,233.46 : x
  2. Step 2: Convert to fraction form
    716,211.60/988,040.67 = 429,233.46/x
  3. Step 3: Cross multiply
    716,211.60x = 988,040.67 × 429,233.46
  4. Step 4: Simplify right side
    716,211.60x = 424,100,115,404.82
  5. Step 5: Solve for x
    x = 424,100,115,404.82/716,211.60
  6. Step 6: Final answer
    x = 592,143.60

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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.