Home / 773,277.60-1,159,916.40-520,679.10

Finding the Fourth Proportional to 773,277.60, 1,159,916.40 and 520,679.10

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Solution

The fourth proportional to 773,277.60, 1,159,916.40 and 520,679.10 is: 781,018.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,277.60 : 1,159,916.40 = 520,679.10 : x
  2. Step 2: Convert to fraction form
    773,277.60/1,159,916.40 = 520,679.10/x
  3. Step 3: Cross multiply
    773,277.60x = 1,159,916.40 × 520,679.10
  4. Step 4: Simplify right side
    773,277.60x = 603,944,227,227.24
  5. Step 5: Solve for x
    x = 603,944,227,227.24/773,277.60
  6. Step 6: Final answer
    x = 781,018.65

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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.