Home / 906,805.90-1,359,042.45-551,442.70

Finding the Fourth Proportional to 906,805.90, 1,359,042.45 and 551,442.70

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Solution

The fourth proportional to 906,805.90, 1,359,042.45 and 551,442.70 is: 826,454.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,805.90 : 1,359,042.45 = 551,442.70 : x
  2. Step 2: Convert to fraction form
    906,805.90/1,359,042.45 = 551,442.70/x
  3. Step 3: Cross multiply
    906,805.90x = 1,359,042.45 × 551,442.70
  4. Step 4: Simplify right side
    906,805.90x = 749,434,038,042.62
  5. Step 5: Solve for x
    x = 749,434,038,042.62/906,805.90
  6. Step 6: Final answer
    x = 826,454.74

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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.