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Finding the Fourth Proportional to 535,488.58, 738,847.49 and 302,920.86

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Solution

The fourth proportional to 535,488.58, 738,847.49 and 302,920.86 is: 417,959.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,488.58 : 738,847.49 = 302,920.86 : x
  2. Step 2: Convert to fraction form
    535,488.58/738,847.49 = 302,920.86/x
  3. Step 3: Cross multiply
    535,488.58x = 738,847.49 × 302,920.86
  4. Step 4: Simplify right side
    535,488.58x = 223,812,315,565.04
  5. Step 5: Solve for x
    x = 223,812,315,565.04/535,488.58
  6. Step 6: Final answer
    x = 417,959.08

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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.