Home / 749,071.06-1,123,718.47-275,720.42

Finding the Fourth Proportional to 749,071.06, 1,123,718.47 and 275,720.42

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Solution

The fourth proportional to 749,071.06, 1,123,718.47 and 275,720.42 is: 413,621.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,071.06 : 1,123,718.47 = 275,720.42 : x
  2. Step 2: Convert to fraction form
    749,071.06/1,123,718.47 = 275,720.42/x
  3. Step 3: Cross multiply
    749,071.06x = 1,123,718.47 × 275,720.42
  4. Step 4: Simplify right side
    749,071.06x = 309,832,130,630.15
  5. Step 5: Solve for x
    x = 309,832,130,630.15/749,071.06
  6. Step 6: Final answer
    x = 413,621.82

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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.