Home / 729,678.80-1,094,518.20-614,205.20

Finding the Fourth Proportional to 729,678.80, 1,094,518.20 and 614,205.20

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Solution

The fourth proportional to 729,678.80, 1,094,518.20 and 614,205.20 is: 921,307.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,678.80 : 1,094,518.20 = 614,205.20 : x
  2. Step 2: Convert to fraction form
    729,678.80/1,094,518.20 = 614,205.20/x
  3. Step 3: Cross multiply
    729,678.80x = 1,094,518.20 × 614,205.20
  4. Step 4: Simplify right side
    729,678.80x = 672,258,769,934.64
  5. Step 5: Solve for x
    x = 672,258,769,934.64/729,678.80
  6. Step 6: Final answer
    x = 921,307.80

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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.