Home / 774,279.83-1,161,581.00-390,244.52

Finding the Fourth Proportional to 774,279.83, 1,161,581.00 and 390,244.52

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Solution

The fourth proportional to 774,279.83, 1,161,581.00 and 390,244.52 is: 585,448.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,279.83 : 1,161,581.00 = 390,244.52 : x
  2. Step 2: Convert to fraction form
    774,279.83/1,161,581.00 = 390,244.52/x
  3. Step 3: Cross multiply
    774,279.83x = 1,161,581.00 × 390,244.52
  4. Step 4: Simplify right side
    774,279.83x = 453,300,612,026.99
  5. Step 5: Solve for x
    x = 453,300,612,026.99/774,279.83
  6. Step 6: Final answer
    x = 585,448.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.