Home / 638,444.52-957,948.89-334,766.16

Finding the Fourth Proportional to 638,444.52, 957,948.89 and 334,766.16

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Solution

The fourth proportional to 638,444.52, 957,948.89 and 334,766.16 is: 502,297.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,444.52 : 957,948.89 = 334,766.16 : x
  2. Step 2: Convert to fraction form
    638,444.52/957,948.89 = 334,766.16/x
  3. Step 3: Cross multiply
    638,444.52x = 957,948.89 × 334,766.16
  4. Step 4: Simplify right side
    638,444.52x = 320,688,871,381.56
  5. Step 5: Solve for x
    x = 320,688,871,381.56/638,444.52
  6. Step 6: Final answer
    x = 502,297.16

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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.