Home / 658,615.04-908,930.56-403,931.52

Finding the Fourth Proportional to 658,615.04, 908,930.56 and 403,931.52

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Solution

The fourth proportional to 658,615.04, 908,930.56 and 403,931.52 is: 557,451.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,615.04 : 908,930.56 = 403,931.52 : x
  2. Step 2: Convert to fraction form
    658,615.04/908,930.56 = 403,931.52/x
  3. Step 3: Cross multiply
    658,615.04x = 908,930.56 × 403,931.52
  4. Step 4: Simplify right side
    658,615.04x = 367,145,702,675.25
  5. Step 5: Solve for x
    x = 367,145,702,675.25/658,615.04
  6. Step 6: Final answer
    x = 557,451.14

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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.