Home / 672,140.20-1,008,210.30-614,079.40

Finding the Fourth Proportional to 672,140.20, 1,008,210.30 and 614,079.40

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Solution

The fourth proportional to 672,140.20, 1,008,210.30 and 614,079.40 is: 921,119.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,140.20 : 1,008,210.30 = 614,079.40 : x
  2. Step 2: Convert to fraction form
    672,140.20/1,008,210.30 = 614,079.40/x
  3. Step 3: Cross multiply
    672,140.20x = 1,008,210.30 × 614,079.40
  4. Step 4: Simplify right side
    672,140.20x = 619,121,176,097.82
  5. Step 5: Solve for x
    x = 619,121,176,097.82/672,140.20
  6. Step 6: Final answer
    x = 921,119.10

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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.