Home / 525,327.10-724,986.70-292,790.20

Finding the Fourth Proportional to 525,327.10, 724,986.70 and 292,790.20

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Solution

The fourth proportional to 525,327.10, 724,986.70 and 292,790.20 is: 404,070.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,327.10 : 724,986.70 = 292,790.20 : x
  2. Step 2: Convert to fraction form
    525,327.10/724,986.70 = 292,790.20/x
  3. Step 3: Cross multiply
    525,327.10x = 724,986.70 × 292,790.20
  4. Step 4: Simplify right side
    525,327.10x = 212,269,000,890.34
  5. Step 5: Solve for x
    x = 212,269,000,890.34/525,327.10
  6. Step 6: Final answer
    x = 404,070.15

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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.