Home / 858,581.52-1,287,857.16-297,607.92

Finding the Fourth Proportional to 858,581.52, 1,287,857.16 and 297,607.92

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Solution

The fourth proportional to 858,581.52, 1,287,857.16 and 297,607.92 is: 446,406.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,581.52 : 1,287,857.16 = 297,607.92 : x
  2. Step 2: Convert to fraction form
    858,581.52/1,287,857.16 = 297,607.92/x
  3. Step 3: Cross multiply
    858,581.52x = 1,287,857.16 × 297,607.92
  4. Step 4: Simplify right side
    858,581.52x = 383,276,490,644.71
  5. Step 5: Solve for x
    x = 383,276,490,644.71/858,581.52
  6. Step 6: Final answer
    x = 446,406.64

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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.