Home / 684,614.28-1,026,545.42-211,168.20

Finding the Fourth Proportional to 684,614.28, 1,026,545.42 and 211,168.20

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Solution

The fourth proportional to 684,614.28, 1,026,545.42 and 211,168.20 is: 316,636.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,614.28 : 1,026,545.42 = 211,168.20 : x
  2. Step 2: Convert to fraction form
    684,614.28/1,026,545.42 = 211,168.20/x
  3. Step 3: Cross multiply
    684,614.28x = 1,026,545.42 × 211,168.20
  4. Step 4: Simplify right side
    684,614.28x = 216,773,748,559.64
  5. Step 5: Solve for x
    x = 216,773,748,559.64/684,614.28
  6. Step 6: Final answer
    x = 316,636.32

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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.