Home / 556,945.20-768,563.76-302,290.92

Finding the Fourth Proportional to 556,945.20, 768,563.76 and 302,290.92

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Solution

The fourth proportional to 556,945.20, 768,563.76 and 302,290.92 is: 417,150.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,945.20 : 768,563.76 = 302,290.92 : x
  2. Step 2: Convert to fraction form
    556,945.20/768,563.76 = 302,290.92/x
  3. Step 3: Cross multiply
    556,945.20x = 768,563.76 × 302,290.92
  4. Step 4: Simplify right side
    556,945.20x = 232,329,846,089.06
  5. Step 5: Solve for x
    x = 232,329,846,089.06/556,945.20
  6. Step 6: Final answer
    x = 417,150.28

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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.