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Finding the Fourth Proportional to 525,150.51, 724,796.21 and 304,354.95

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Solution

The fourth proportional to 525,150.51, 724,796.21 and 304,354.95 is: 420,061.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,150.51 : 724,796.21 = 304,354.95 : x
  2. Step 2: Convert to fraction form
    525,150.51/724,796.21 = 304,354.95/x
  3. Step 3: Cross multiply
    525,150.51x = 724,796.21 × 304,354.95
  4. Step 4: Simplify right side
    525,150.51x = 220,595,314,254.74
  5. Step 5: Solve for x
    x = 220,595,314,254.74/525,150.51
  6. Step 6: Final answer
    x = 420,061.13

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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.