Home / 529,748.17-789,631.88-487,232.89

Finding the Fourth Proportional to 529,748.17, 789,631.88 and 487,232.89

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Solution

The fourth proportional to 529,748.17, 789,631.88 and 487,232.89 is: 726,259.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,748.17 : 789,631.88 = 487,232.89 : x
  2. Step 2: Convert to fraction form
    529,748.17/789,631.88 = 487,232.89/x
  3. Step 3: Cross multiply
    529,748.17x = 789,631.88 × 487,232.89
  4. Step 4: Simplify right side
    529,748.17x = 384,734,618,518.29
  5. Step 5: Solve for x
    x = 384,734,618,518.29/529,748.17
  6. Step 6: Final answer
    x = 726,259.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.