Home / 553,582.08-763,999.70-338,864.04

Finding the Fourth Proportional to 553,582.08, 763,999.70 and 338,864.04

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Solution

The fourth proportional to 553,582.08, 763,999.70 and 338,864.04 is: 467,666.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,582.08 : 763,999.70 = 338,864.04 : x
  2. Step 2: Convert to fraction form
    553,582.08/763,999.70 = 338,864.04/x
  3. Step 3: Cross multiply
    553,582.08x = 763,999.70 × 338,864.04
  4. Step 4: Simplify right side
    553,582.08x = 258,892,024,900.79
  5. Step 5: Solve for x
    x = 258,892,024,900.79/553,582.08
  6. Step 6: Final answer
    x = 467,666.92

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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.