Home / 749,561.65-1,124,073.65-216,972.47

Finding the Fourth Proportional to 749,561.65, 1,124,073.65 and 216,972.47

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Solution

The fourth proportional to 749,561.65, 1,124,073.65 and 216,972.47 is: 325,380.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,561.65 : 1,124,073.65 = 216,972.47 : x
  2. Step 2: Convert to fraction form
    749,561.65/1,124,073.65 = 216,972.47/x
  3. Step 3: Cross multiply
    749,561.65x = 1,124,073.65 × 216,972.47
  4. Step 4: Simplify right side
    749,561.65x = 243,893,039,655.03
  5. Step 5: Solve for x
    x = 243,893,039,655.03/749,561.65
  6. Step 6: Final answer
    x = 325,380.89

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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.