Home / 874,663.60-1,312,513.80-576,000.40

Finding the Fourth Proportional to 874,663.60, 1,312,513.80 and 576,000.40

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Solution

The fourth proportional to 874,663.60, 1,312,513.80 and 576,000.40 is: 864,341.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,663.60 : 1,312,513.80 = 576,000.40 : x
  2. Step 2: Convert to fraction form
    874,663.60/1,312,513.80 = 576,000.40/x
  3. Step 3: Cross multiply
    874,663.60x = 1,312,513.80 × 576,000.40
  4. Step 4: Simplify right side
    874,663.60x = 756,008,473,805.52
  5. Step 5: Solve for x
    x = 756,008,473,805.52/874,663.60
  6. Step 6: Final answer
    x = 864,341.99

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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.