Home / 922,646.18-1,273,222.86-540,927.20

Finding the Fourth Proportional to 922,646.18, 1,273,222.86 and 540,927.20

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Solution

The fourth proportional to 922,646.18, 1,273,222.86 and 540,927.20 is: 746,462.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,646.18 : 1,273,222.86 = 540,927.20 : x
  2. Step 2: Convert to fraction form
    922,646.18/1,273,222.86 = 540,927.20/x
  3. Step 3: Cross multiply
    922,646.18x = 1,273,222.86 × 540,927.20
  4. Step 4: Simplify right side
    922,646.18x = 688,720,876,635.79
  5. Step 5: Solve for x
    x = 688,720,876,635.79/922,646.18
  6. Step 6: Final answer
    x = 746,462.61

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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.