Home / 651,817.28-976,280.88-500,946.72

Finding the Fourth Proportional to 651,817.28, 976,280.88 and 500,946.72

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Solution

The fourth proportional to 651,817.28, 976,280.88 and 500,946.72 is: 750,309.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,817.28 : 976,280.88 = 500,946.72 : x
  2. Step 2: Convert to fraction form
    651,817.28/976,280.88 = 500,946.72/x
  3. Step 3: Cross multiply
    651,817.28x = 976,280.88 × 500,946.72
  4. Step 4: Simplify right side
    651,817.28x = 489,064,704,634.71
  5. Step 5: Solve for x
    x = 489,064,704,634.71/651,817.28
  6. Step 6: Final answer
    x = 750,309.51

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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.