Home / 895,782.80-1,236,158.88-513,785.20

Finding the Fourth Proportional to 895,782.80, 1,236,158.88 and 513,785.20

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Solution

The fourth proportional to 895,782.80, 1,236,158.88 and 513,785.20 is: 709,011.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,782.80 : 1,236,158.88 = 513,785.20 : x
  2. Step 2: Convert to fraction form
    895,782.80/1,236,158.88 = 513,785.20/x
  3. Step 3: Cross multiply
    895,782.80x = 1,236,158.88 × 513,785.20
  4. Step 4: Simplify right side
    895,782.80x = 635,120,137,392.58
  5. Step 5: Solve for x
    x = 635,120,137,392.58/895,782.80
  6. Step 6: Final answer
    x = 709,011.31

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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.