Home / 672,065.80-1,008,098.70-656,319.40

Finding the Fourth Proportional to 672,065.80, 1,008,098.70 and 656,319.40

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Solution

The fourth proportional to 672,065.80, 1,008,098.70 and 656,319.40 is: 984,479.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,065.80 : 1,008,098.70 = 656,319.40 : x
  2. Step 2: Convert to fraction form
    672,065.80/1,008,098.70 = 656,319.40/x
  3. Step 3: Cross multiply
    672,065.80x = 1,008,098.70 × 656,319.40
  4. Step 4: Simplify right side
    672,065.80x = 661,634,733,924.78
  5. Step 5: Solve for x
    x = 661,634,733,924.78/672,065.80
  6. Step 6: Final answer
    x = 984,479.10

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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.