Home / 652,582.50-900,564.12-397,986.54

Finding the Fourth Proportional to 652,582.50, 900,564.12 and 397,986.54

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Solution

The fourth proportional to 652,582.50, 900,564.12 and 397,986.54 is: 549,221.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,582.50 : 900,564.12 = 397,986.54 : x
  2. Step 2: Convert to fraction form
    652,582.50/900,564.12 = 397,986.54/x
  3. Step 3: Cross multiply
    652,582.50x = 900,564.12 × 397,986.54
  4. Step 4: Simplify right side
    652,582.50x = 358,412,398,166.95
  5. Step 5: Solve for x
    x = 358,412,398,166.95/652,582.50
  6. Step 6: Final answer
    x = 549,221.59

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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.