Home / 685,152.18-1,026,227.75-347,613.03

Finding the Fourth Proportional to 685,152.18, 1,026,227.75 and 347,613.03

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Solution

The fourth proportional to 685,152.18, 1,026,227.75 and 347,613.03 is: 520,658.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,152.18 : 1,026,227.75 = 347,613.03 : x
  2. Step 2: Convert to fraction form
    685,152.18/1,026,227.75 = 347,613.03/x
  3. Step 3: Cross multiply
    685,152.18x = 1,026,227.75 × 347,613.03
  4. Step 4: Simplify right side
    685,152.18x = 356,730,135,909.52
  5. Step 5: Solve for x
    x = 356,730,135,909.52/685,152.18
  6. Step 6: Final answer
    x = 520,658.25

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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.