Home / 874,665.60-1,312,516.80-576,002.40

Finding the Fourth Proportional to 874,665.60, 1,312,516.80 and 576,002.40

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Solution

The fourth proportional to 874,665.60, 1,312,516.80 and 576,002.40 is: 864,344.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,665.60 : 1,312,516.80 = 576,002.40 : x
  2. Step 2: Convert to fraction form
    874,665.60/1,312,516.80 = 576,002.40/x
  3. Step 3: Cross multiply
    874,665.60x = 1,312,516.80 × 576,002.40
  4. Step 4: Simplify right side
    874,665.60x = 756,012,826,840.32
  5. Step 5: Solve for x
    x = 756,012,826,840.32/874,665.60
  6. Step 6: Final answer
    x = 864,344.99

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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.