Home / 971,449.20-1,456,543.08-465,998.40

Finding the Fourth Proportional to 971,449.20, 1,456,543.08 and 465,998.40

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Solution

The fourth proportional to 971,449.20, 1,456,543.08 and 465,998.40 is: 698,695.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,449.20 : 1,456,543.08 = 465,998.40 : x
  2. Step 2: Convert to fraction form
    971,449.20/1,456,543.08 = 465,998.40/x
  3. Step 3: Cross multiply
    971,449.20x = 1,456,543.08 × 465,998.40
  4. Step 4: Simplify right side
    971,449.20x = 678,746,744,811.07
  5. Step 5: Solve for x
    x = 678,746,744,811.07/971,449.20
  6. Step 6: Final answer
    x = 698,695.05

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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.