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Finding the Fourth Proportional to 527,529.60, 791,877.60 and 328,075.20

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Solution

The fourth proportional to 527,529.60, 791,877.60 and 328,075.20 is: 492,475.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,529.60 : 791,877.60 = 328,075.20 : x
  2. Step 2: Convert to fraction form
    527,529.60/791,877.60 = 328,075.20/x
  3. Step 3: Cross multiply
    527,529.60x = 791,877.60 × 328,075.20
  4. Step 4: Simplify right side
    527,529.60x = 259,795,401,995.52
  5. Step 5: Solve for x
    x = 259,795,401,995.52/527,529.60
  6. Step 6: Final answer
    x = 492,475.50

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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.