Home / 913,161.60-1,369,929.24-314,044.80

Finding the Fourth Proportional to 913,161.60, 1,369,929.24 and 314,044.80

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Solution

The fourth proportional to 913,161.60, 1,369,929.24 and 314,044.80 is: 471,131.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,161.60 : 1,369,929.24 = 314,044.80 : x
  2. Step 2: Convert to fraction form
    913,161.60/1,369,929.24 = 314,044.80/x
  3. Step 3: Cross multiply
    913,161.60x = 1,369,929.24 × 314,044.80
  4. Step 4: Simplify right side
    913,161.60x = 430,219,154,189.95
  5. Step 5: Solve for x
    x = 430,219,154,189.95/913,161.60
  6. Step 6: Final answer
    x = 471,131.46

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1.5x scale

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.