Home / 913,603.24-1,369,867.02-426,747.88

Finding the Fourth Proportional to 913,603.24, 1,369,867.02 and 426,747.88

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Solution

The fourth proportional to 913,603.24, 1,369,867.02 and 426,747.88 is: 639,870.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,603.24 : 1,369,867.02 = 426,747.88 : x
  2. Step 2: Convert to fraction form
    913,603.24/1,369,867.02 = 426,747.88/x
  3. Step 3: Cross multiply
    913,603.24x = 1,369,867.02 × 426,747.88
  4. Step 4: Simplify right side
    913,603.24x = 584,587,846,666.92
  5. Step 5: Solve for x
    x = 584,587,846,666.92/913,603.24
  6. Step 6: Final answer
    x = 639,870.59

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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.