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Finding the Fourth Proportional to 605,427.10, 908,140.65 and 510,948.70

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Solution

The fourth proportional to 605,427.10, 908,140.65 and 510,948.70 is: 766,423.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,427.10 : 908,140.65 = 510,948.70 : x
  2. Step 2: Convert to fraction form
    605,427.10/908,140.65 = 510,948.70/x
  3. Step 3: Cross multiply
    605,427.10x = 908,140.65 × 510,948.70
  4. Step 4: Simplify right side
    605,427.10x = 464,013,284,534.66
  5. Step 5: Solve for x
    x = 464,013,284,534.66/605,427.10
  6. Step 6: Final answer
    x = 766,423.05

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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.