Home / 743,627.10-1,023,827.67-630,270.30

Finding the Fourth Proportional to 743,627.10, 1,023,827.67 and 630,270.30

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Solution

The fourth proportional to 743,627.10, 1,023,827.67 and 630,270.30 is: 867,757.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,627.10 : 1,023,827.67 = 630,270.30 : x
  2. Step 2: Convert to fraction form
    743,627.10/1,023,827.67 = 630,270.30/x
  3. Step 3: Cross multiply
    743,627.10x = 1,023,827.67 × 630,270.30
  4. Step 4: Simplify right side
    743,627.10x = 645,288,172,719.20
  5. Step 5: Solve for x
    x = 645,288,172,719.20/743,627.10
  6. Step 6: Final answer
    x = 867,757.74

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1.5x scale

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.