Home / 782,205.72-1,079,444.04-424,509.72

Finding the Fourth Proportional to 782,205.72, 1,079,444.04 and 424,509.72

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Solution

The fourth proportional to 782,205.72, 1,079,444.04 and 424,509.72 is: 585,823.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,205.72 : 1,079,444.04 = 424,509.72 : x
  2. Step 2: Convert to fraction form
    782,205.72/1,079,444.04 = 424,509.72/x
  3. Step 3: Cross multiply
    782,205.72x = 1,079,444.04 × 424,509.72
  4. Step 4: Simplify right side
    782,205.72x = 458,234,487,176.07
  5. Step 5: Solve for x
    x = 458,234,487,176.07/782,205.72
  6. Step 6: Final answer
    x = 585,823.49

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Double scale
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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.