Home / 927,829-1,280,406.72-540,874.18

Finding the Fourth Proportional to 927,829, 1,280,406.72 and 540,874.18

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Solution

The fourth proportional to 927,829, 1,280,406.72 and 540,874.18 is: 746,407.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,829 : 1,280,406.72 = 540,874.18 : x
  2. Step 2: Convert to fraction form
    927,829/1,280,406.72 = 540,874.18/x
  3. Step 3: Cross multiply
    927,829x = 1,280,406.72 × 540,874.18
  4. Step 4: Simplify right side
    927,829x = 692,538,934,746.49
  5. Step 5: Solve for x
    x = 692,538,934,746.49/927,829
  6. Step 6: Final answer
    x = 746,407.94

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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.