Home / 649,631.60-896,475.15-363,178.34

Finding the Fourth Proportional to 649,631.60, 896,475.15 and 363,178.34

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Solution

The fourth proportional to 649,631.60, 896,475.15 and 363,178.34 is: 501,176.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,631.60 : 896,475.15 = 363,178.34 : x
  2. Step 2: Convert to fraction form
    649,631.60/896,475.15 = 363,178.34/x
  3. Step 3: Cross multiply
    649,631.60x = 896,475.15 × 363,178.34
  4. Step 4: Simplify right side
    649,631.60x = 325,580,356,828.25
  5. Step 5: Solve for x
    x = 325,580,356,828.25/649,631.60
  6. Step 6: Final answer
    x = 501,176.91

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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.