Home / 556,949.20-768,569.28-302,294.92

Finding the Fourth Proportional to 556,949.20, 768,569.28 and 302,294.92

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Solution

The fourth proportional to 556,949.20, 768,569.28 and 302,294.92 is: 417,155.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,949.20 : 768,569.28 = 302,294.92 : x
  2. Step 2: Convert to fraction form
    556,949.20/768,569.28 = 302,294.92/x
  3. Step 3: Cross multiply
    556,949.20x = 768,569.28 × 302,294.92
  4. Step 4: Simplify right side
    556,949.20x = 232,334,589,012.06
  5. Step 5: Solve for x
    x = 232,334,589,012.06/556,949.20
  6. Step 6: Final answer
    x = 417,155.80

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1.5x scale

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.