Home / 691,541.40-1,037,293.86-292,074.90

Finding the Fourth Proportional to 691,541.40, 1,037,293.86 and 292,074.90

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Solution

The fourth proportional to 691,541.40, 1,037,293.86 and 292,074.90 is: 438,104.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,541.40 : 1,037,293.86 = 292,074.90 : x
  2. Step 2: Convert to fraction form
    691,541.40/1,037,293.86 = 292,074.90/x
  3. Step 3: Cross multiply
    691,541.40x = 1,037,293.86 × 292,074.90
  4. Step 4: Simplify right side
    691,541.40x = 302,967,500,430.11
  5. Step 5: Solve for x
    x = 302,967,500,430.11/691,541.40
  6. Step 6: Final answer
    x = 438,104.65

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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.