Home / 865,828.86-1,298,743.29-524,341.13

Finding the Fourth Proportional to 865,828.86, 1,298,743.29 and 524,341.13

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Solution

The fourth proportional to 865,828.86, 1,298,743.29 and 524,341.13 is: 786,511.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,828.86 : 1,298,743.29 = 524,341.13 : x
  2. Step 2: Convert to fraction form
    865,828.86/1,298,743.29 = 524,341.13/x
  3. Step 3: Cross multiply
    865,828.86x = 1,298,743.29 × 524,341.13
  4. Step 4: Simplify right side
    865,828.86x = 680,984,517,764.80
  5. Step 5: Solve for x
    x = 680,984,517,764.80/865,828.86
  6. Step 6: Final answer
    x = 786,511.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.