Home / 928,229.60-1,390,501.20-506,751.20

Finding the Fourth Proportional to 928,229.60, 1,390,501.20 and 506,751.20

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Solution

The fourth proportional to 928,229.60, 1,390,501.20 and 506,751.20 is: 759,120.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,229.60 : 1,390,501.20 = 506,751.20 : x
  2. Step 2: Convert to fraction form
    928,229.60/1,390,501.20 = 506,751.20/x
  3. Step 3: Cross multiply
    928,229.60x = 1,390,501.20 × 506,751.20
  4. Step 4: Simplify right side
    928,229.60x = 704,638,151,701.44
  5. Step 5: Solve for x
    x = 704,638,151,701.44/928,229.60
  6. Step 6: Final answer
    x = 759,120.54

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1.5x scale

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.