Home / 828,019.40-1,241,154.30-472,267.40

Finding the Fourth Proportional to 828,019.40, 1,241,154.30 and 472,267.40

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Solution

The fourth proportional to 828,019.40, 1,241,154.30 and 472,267.40 is: 707,902.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,019.40 : 1,241,154.30 = 472,267.40 : x
  2. Step 2: Convert to fraction form
    828,019.40/1,241,154.30 = 472,267.40/x
  3. Step 3: Cross multiply
    828,019.40x = 1,241,154.30 × 472,267.40
  4. Step 4: Simplify right side
    828,019.40x = 586,156,714,259.82
  5. Step 5: Solve for x
    x = 586,156,714,259.82/828,019.40
  6. Step 6: Final answer
    x = 707,902.15

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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.