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Finding the Fourth Proportional to 540,232.32, 745,507.68 and 298,502.40

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Solution

The fourth proportional to 540,232.32, 745,507.68 and 298,502.40 is: 411,926.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,232.32 : 745,507.68 = 298,502.40 : x
  2. Step 2: Convert to fraction form
    540,232.32/745,507.68 = 298,502.40/x
  3. Step 3: Cross multiply
    540,232.32x = 745,507.68 × 298,502.40
  4. Step 4: Simplify right side
    540,232.32x = 222,535,831,698.43
  5. Step 5: Solve for x
    x = 222,535,831,698.43/540,232.32
  6. Step 6: Final answer
    x = 411,926.17

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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.