Home / 895,498.20-1,235,817.72-487,615.80

Finding the Fourth Proportional to 895,498.20, 1,235,817.72 and 487,615.80

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Solution

The fourth proportional to 895,498.20, 1,235,817.72 and 487,615.80 is: 672,926.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,498.20 : 1,235,817.72 = 487,615.80 : x
  2. Step 2: Convert to fraction form
    895,498.20/1,235,817.72 = 487,615.80/x
  3. Step 3: Cross multiply
    895,498.20x = 1,235,817.72 × 487,615.80
  4. Step 4: Simplify right side
    895,498.20x = 602,604,246,191.98
  5. Step 5: Solve for x
    x = 602,604,246,191.98/895,498.20
  6. Step 6: Final answer
    x = 672,926.25

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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.