Home / 806,909.10-1,210,363.65-554,966.70

Finding the Fourth Proportional to 806,909.10, 1,210,363.65 and 554,966.70

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Solution

The fourth proportional to 806,909.10, 1,210,363.65 and 554,966.70 is: 832,450.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,909.10 : 1,210,363.65 = 554,966.70 : x
  2. Step 2: Convert to fraction form
    806,909.10/1,210,363.65 = 554,966.70/x
  3. Step 3: Cross multiply
    806,909.10x = 1,210,363.65 × 554,966.70
  4. Step 4: Simplify right side
    806,909.10x = 671,711,520,640.46
  5. Step 5: Solve for x
    x = 671,711,520,640.46/806,909.10
  6. Step 6: Final answer
    x = 832,450.05

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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.