Home / 784,605.71-1,176,753.56-215,840.07

Finding the Fourth Proportional to 784,605.71, 1,176,753.56 and 215,840.07

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Solution

The fourth proportional to 784,605.71, 1,176,753.56 and 215,840.07 is: 323,717.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,605.71 : 1,176,753.56 = 215,840.07 : x
  2. Step 2: Convert to fraction form
    784,605.71/1,176,753.56 = 215,840.07/x
  3. Step 3: Cross multiply
    784,605.71x = 1,176,753.56 × 215,840.07
  4. Step 4: Simplify right side
    784,605.71x = 253,990,569,683.95
  5. Step 5: Solve for x
    x = 253,990,569,683.95/784,605.71
  6. Step 6: Final answer
    x = 323,717.46

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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.