Home / 862,437.76-1,293,794.88-363,875.20

Finding the Fourth Proportional to 862,437.76, 1,293,794.88 and 363,875.20

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Solution

The fourth proportional to 862,437.76, 1,293,794.88 and 363,875.20 is: 545,871.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,437.76 : 1,293,794.88 = 363,875.20 : x
  2. Step 2: Convert to fraction form
    862,437.76/1,293,794.88 = 363,875.20/x
  3. Step 3: Cross multiply
    862,437.76x = 1,293,794.88 × 363,875.20
  4. Step 4: Simplify right side
    862,437.76x = 470,779,870,718.98
  5. Step 5: Solve for x
    x = 470,779,870,718.98/862,437.76
  6. Step 6: Final answer
    x = 545,871.13

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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.