Home / 887,660.20-1,331,490.30-355,263.40

Finding the Fourth Proportional to 887,660.20, 1,331,490.30 and 355,263.40

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Solution

The fourth proportional to 887,660.20, 1,331,490.30 and 355,263.40 is: 532,895.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,660.20 : 1,331,490.30 = 355,263.40 : x
  2. Step 2: Convert to fraction form
    887,660.20/1,331,490.30 = 355,263.40/x
  3. Step 3: Cross multiply
    887,660.20x = 1,331,490.30 × 355,263.40
  4. Step 4: Simplify right side
    887,660.20x = 473,029,771,045.02
  5. Step 5: Solve for x
    x = 473,029,771,045.02/887,660.20
  6. Step 6: Final answer
    x = 532,895.10

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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.