Home / 971,769.12-1,457,653.32-498,152.40

Finding the Fourth Proportional to 971,769.12, 1,457,653.32 and 498,152.40

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Solution

The fourth proportional to 971,769.12, 1,457,653.32 and 498,152.40 is: 747,228.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,769.12 : 1,457,653.32 = 498,152.40 : x
  2. Step 2: Convert to fraction form
    971,769.12/1,457,653.32 = 498,152.40/x
  3. Step 3: Cross multiply
    971,769.12x = 1,457,653.32 × 498,152.40
  4. Step 4: Simplify right side
    971,769.12x = 726,133,499,725.97
  5. Step 5: Solve for x
    x = 726,133,499,725.97/971,769.12
  6. Step 6: Final answer
    x = 747,228.42

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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.