Home / 547,001.32-754,860.18-305,281.24

Finding the Fourth Proportional to 547,001.32, 754,860.18 and 305,281.24

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Solution

The fourth proportional to 547,001.32, 754,860.18 and 305,281.24 is: 421,287.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,001.32 : 754,860.18 = 305,281.24 : x
  2. Step 2: Convert to fraction form
    547,001.32/754,860.18 = 305,281.24/x
  3. Step 3: Cross multiply
    547,001.32x = 754,860.18 × 305,281.24
  4. Step 4: Simplify right side
    547,001.32x = 230,444,651,777.02
  5. Step 5: Solve for x
    x = 230,444,651,777.02/547,001.32
  6. Step 6: Final answer
    x = 421,287.20

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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.