Home / 729,870.06-1,007,000.58-423,887.46

Finding the Fourth Proportional to 729,870.06, 1,007,000.58 and 423,887.46

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Solution

The fourth proportional to 729,870.06, 1,007,000.58 and 423,887.46 is: 584,836.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,870.06 : 1,007,000.58 = 423,887.46 : x
  2. Step 2: Convert to fraction form
    729,870.06/1,007,000.58 = 423,887.46/x
  3. Step 3: Cross multiply
    729,870.06x = 1,007,000.58 × 423,887.46
  4. Step 4: Simplify right side
    729,870.06x = 426,854,918,074.73
  5. Step 5: Solve for x
    x = 426,854,918,074.73/729,870.06
  6. Step 6: Final answer
    x = 584,836.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.