Home / 887,064.14-1,224,148.95-479,165.96

Finding the Fourth Proportional to 887,064.14, 1,224,148.95 and 479,165.96

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Solution

The fourth proportional to 887,064.14, 1,224,148.95 and 479,165.96 is: 661,249.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,064.14 : 1,224,148.95 = 479,165.96 : x
  2. Step 2: Convert to fraction form
    887,064.14/1,224,148.95 = 479,165.96/x
  3. Step 3: Cross multiply
    887,064.14x = 1,224,148.95 × 479,165.96
  4. Step 4: Simplify right side
    887,064.14x = 586,570,509,870.11
  5. Step 5: Solve for x
    x = 586,570,509,870.11/887,064.14
  6. Step 6: Final answer
    x = 661,249.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.