Home / 895,331.35-1,235,569.78-487,445.52

Finding the Fourth Proportional to 895,331.35, 1,235,569.78 and 487,445.52

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Solution

The fourth proportional to 895,331.35, 1,235,569.78 and 487,445.52 is: 672,681.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,331.35 : 1,235,569.78 = 487,445.52 : x
  2. Step 2: Convert to fraction form
    895,331.35/1,235,569.78 = 487,445.52/x
  3. Step 3: Cross multiply
    895,331.35x = 1,235,569.78 × 487,445.52
  4. Step 4: Simplify right side
    895,331.35x = 602,272,953,908.39
  5. Step 5: Solve for x
    x = 602,272,953,908.39/895,331.35
  6. Step 6: Final answer
    x = 672,681.63

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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.