Home / 744,641.70-1,027,962.46-458,407.14

Finding the Fourth Proportional to 744,641.70, 1,027,962.46 and 458,407.14

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Solution

The fourth proportional to 744,641.70, 1,027,962.46 and 458,407.14 is: 632,821.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,641.70 : 1,027,962.46 = 458,407.14 : x
  2. Step 2: Convert to fraction form
    744,641.70/1,027,962.46 = 458,407.14/x
  3. Step 3: Cross multiply
    744,641.70x = 1,027,962.46 × 458,407.14
  4. Step 4: Simplify right side
    744,641.70x = 471,225,326,176.15
  5. Step 5: Solve for x
    x = 471,225,326,176.15/744,641.70
  6. Step 6: Final answer
    x = 632,821.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.