Home / 895,240.07-1,235,431.25-487,344.86

Finding the Fourth Proportional to 895,240.07, 1,235,431.25 and 487,344.86

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Solution

The fourth proportional to 895,240.07, 1,235,431.25 and 487,344.86 is: 672,535.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,240.07 : 1,235,431.25 = 487,344.86 : x
  2. Step 2: Convert to fraction form
    895,240.07/1,235,431.25 = 487,344.86/x
  3. Step 3: Cross multiply
    895,240.07x = 1,235,431.25 × 487,344.86
  4. Step 4: Simplify right side
    895,240.07x = 602,081,063,393.72
  5. Step 5: Solve for x
    x = 602,081,063,393.72/895,240.07
  6. Step 6: Final answer
    x = 672,535.88

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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.