Home / 887,214.90-1,331,369.10-354,680.40

Finding the Fourth Proportional to 887,214.90, 1,331,369.10 and 354,680.40

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Solution

The fourth proportional to 887,214.90, 1,331,369.10 and 354,680.40 is: 532,239.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,214.90 : 1,331,369.10 = 354,680.40 : x
  2. Step 2: Convert to fraction form
    887,214.90/1,331,369.10 = 354,680.40/x
  3. Step 3: Cross multiply
    887,214.90x = 1,331,369.10 × 354,680.40
  4. Step 4: Simplify right side
    887,214.90x = 472,210,524,935.64
  5. Step 5: Solve for x
    x = 472,210,524,935.64/887,214.90
  6. Step 6: Final answer
    x = 532,239.17

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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.