Home / 895,317.06-1,235,540.69-487,423.74

Finding the Fourth Proportional to 895,317.06, 1,235,540.69 and 487,423.74

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Solution

The fourth proportional to 895,317.06, 1,235,540.69 and 487,423.74 is: 672,646.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,317.06 : 1,235,540.69 = 487,423.74 : x
  2. Step 2: Convert to fraction form
    895,317.06/1,235,540.69 = 487,423.74/x
  3. Step 3: Cross multiply
    895,317.06x = 1,235,540.69 × 487,423.74
  4. Step 4: Simplify right side
    895,317.06x = 602,231,861,604.86
  5. Step 5: Solve for x
    x = 602,231,861,604.86/895,317.06
  6. Step 6: Final answer
    x = 672,646.47

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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.