Home / 887,118.30-1,330,288.65-354,462.30

Finding the Fourth Proportional to 887,118.30, 1,330,288.65 and 354,462.30

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Solution

The fourth proportional to 887,118.30, 1,330,288.65 and 354,462.30 is: 531,538.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,118.30 : 1,330,288.65 = 354,462.30 : x
  2. Step 2: Convert to fraction form
    887,118.30/1,330,288.65 = 354,462.30/x
  3. Step 3: Cross multiply
    887,118.30x = 1,330,288.65 × 354,462.30
  4. Step 4: Simplify right side
    887,118.30x = 471,537,174,542.90
  5. Step 5: Solve for x
    x = 471,537,174,542.90/887,118.30
  6. Step 6: Final answer
    x = 531,538.10

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1.5x scale

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.