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Finding the Fourth Proportional to 524,100.20, 786,334.82 and 258,047.55

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Solution

The fourth proportional to 524,100.20, 786,334.82 and 258,047.55 is: 387,162.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,100.20 : 786,334.82 = 258,047.55 : x
  2. Step 2: Convert to fraction form
    524,100.20/786,334.82 = 258,047.55/x
  3. Step 3: Cross multiply
    524,100.20x = 786,334.82 × 258,047.55
  4. Step 4: Simplify right side
    524,100.20x = 202,911,772,490.45
  5. Step 5: Solve for x
    x = 202,911,772,490.45/524,100.20
  6. Step 6: Final answer
    x = 387,162.18

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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.