Home / 578,982.96-869,809.32-555,068.40

Finding the Fourth Proportional to 578,982.96, 869,809.32 and 555,068.40

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Solution

The fourth proportional to 578,982.96, 869,809.32 and 555,068.40 is: 833,882.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,982.96 : 869,809.32 = 555,068.40 : x
  2. Step 2: Convert to fraction form
    578,982.96/869,809.32 = 555,068.40/x
  3. Step 3: Cross multiply
    578,982.96x = 869,809.32 × 555,068.40
  4. Step 4: Simplify right side
    578,982.96x = 482,803,667,557.49
  5. Step 5: Solve for x
    x = 482,803,667,557.49/578,982.96
  6. Step 6: Final answer
    x = 833,882.34

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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.