Home / 707,368.56-1,060,412.85-257,984.16

Finding the Fourth Proportional to 707,368.56, 1,060,412.85 and 257,984.16

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Solution

The fourth proportional to 707,368.56, 1,060,412.85 and 257,984.16 is: 386,742.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,368.56 : 1,060,412.85 = 257,984.16 : x
  2. Step 2: Convert to fraction form
    707,368.56/1,060,412.85 = 257,984.16/x
  3. Step 3: Cross multiply
    707,368.56x = 1,060,412.85 × 257,984.16
  4. Step 4: Simplify right side
    707,368.56x = 273,569,718,360.46
  5. Step 5: Solve for x
    x = 273,569,718,360.46/707,368.56
  6. Step 6: Final answer
    x = 386,742.83

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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.