Home / 983,217.48-1,474,830.90-343,518.54

Finding the Fourth Proportional to 983,217.48, 1,474,830.90 and 343,518.54

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Solution

The fourth proportional to 983,217.48, 1,474,830.90 and 343,518.54 is: 515,279.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,217.48 : 1,474,830.90 = 343,518.54 : x
  2. Step 2: Convert to fraction form
    983,217.48/1,474,830.90 = 343,518.54/x
  3. Step 3: Cross multiply
    983,217.48x = 1,474,830.90 × 343,518.54
  4. Step 4: Simplify right side
    983,217.48x = 506,631,757,514.89
  5. Step 5: Solve for x
    x = 506,631,757,514.89/983,217.48
  6. Step 6: Final answer
    x = 515,279.45

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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.