Home / 723,547.86-1,085,534.01-324,099.78

Finding the Fourth Proportional to 723,547.86, 1,085,534.01 and 324,099.78

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Solution

The fourth proportional to 723,547.86, 1,085,534.01 and 324,099.78 is: 486,244.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,547.86 : 1,085,534.01 = 324,099.78 : x
  2. Step 2: Convert to fraction form
    723,547.86/1,085,534.01 = 324,099.78/x
  3. Step 3: Cross multiply
    723,547.86x = 1,085,534.01 × 324,099.78
  4. Step 4: Simplify right side
    723,547.86x = 351,821,333,823.52
  5. Step 5: Solve for x
    x = 351,821,333,823.52/723,547.86
  6. Step 6: Final answer
    x = 486,244.73

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Double scale
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1.5x scale

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.