Home / 971,305.20-1,456,327.08-465,854.40

Finding the Fourth Proportional to 971,305.20, 1,456,327.08 and 465,854.40

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Solution

The fourth proportional to 971,305.20, 1,456,327.08 and 465,854.40 is: 698,479.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,305.20 : 1,456,327.08 = 465,854.40 : x
  2. Step 2: Convert to fraction form
    971,305.20/1,456,327.08 = 465,854.40/x
  3. Step 3: Cross multiply
    971,305.20x = 1,456,327.08 × 465,854.40
  4. Step 4: Simplify right side
    971,305.20x = 678,436,378,057.15
  5. Step 5: Solve for x
    x = 678,436,378,057.15/971,305.20
  6. Step 6: Final answer
    x = 698,479.10

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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.