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Finding the Fourth Proportional to 605,252.60, 907,878.90 and 538,897.40

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Solution

The fourth proportional to 605,252.60, 907,878.90 and 538,897.40 is: 808,346.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,252.60 : 907,878.90 = 538,897.40 : x
  2. Step 2: Convert to fraction form
    605,252.60/907,878.90 = 538,897.40/x
  3. Step 3: Cross multiply
    605,252.60x = 907,878.90 × 538,897.40
  4. Step 4: Simplify right side
    605,252.60x = 489,253,578,724.86
  5. Step 5: Solve for x
    x = 489,253,578,724.86/605,252.60
  6. Step 6: Final answer
    x = 808,346.10

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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.