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Finding the Fourth Proportional to 616,089.40, 924,911.70 and 332,006.20

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Solution

The fourth proportional to 616,089.40, 924,911.70 and 332,006.20 is: 498,428.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,089.40 : 924,911.70 = 332,006.20 : x
  2. Step 2: Convert to fraction form
    616,089.40/924,911.70 = 332,006.20/x
  3. Step 3: Cross multiply
    616,089.40x = 924,911.70 × 332,006.20
  4. Step 4: Simplify right side
    616,089.40x = 307,076,418,852.54
  5. Step 5: Solve for x
    x = 307,076,418,852.54/616,089.40
  6. Step 6: Final answer
    x = 498,428.34

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1.5x scale

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.