Home / 895,176.50-1,235,359.34-487,290.07

Finding the Fourth Proportional to 895,176.50, 1,235,359.34 and 487,290.07

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Solution

The fourth proportional to 895,176.50, 1,235,359.34 and 487,290.07 is: 672,468.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,176.50 : 1,235,359.34 = 487,290.07 : x
  2. Step 2: Convert to fraction form
    895,176.50/1,235,359.34 = 487,290.07/x
  3. Step 3: Cross multiply
    895,176.50x = 1,235,359.34 × 487,290.07
  4. Step 4: Simplify right side
    895,176.50x = 601,978,337,393.58
  5. Step 5: Solve for x
    x = 601,978,337,393.58/895,176.50
  6. Step 6: Final answer
    x = 672,468.88

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1.5x scale

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.