Home / 652,021.20-976,719.60-452,566.80

Finding the Fourth Proportional to 652,021.20, 976,719.60 and 452,566.80

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Solution

The fourth proportional to 652,021.20, 976,719.60 and 452,566.80 is: 677,939.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,021.20 : 976,719.60 = 452,566.80 : x
  2. Step 2: Convert to fraction form
    652,021.20/976,719.60 = 452,566.80/x
  3. Step 3: Cross multiply
    652,021.20x = 976,719.60 × 452,566.80
  4. Step 4: Simplify right side
    652,021.20x = 442,030,863,869.28
  5. Step 5: Solve for x
    x = 442,030,863,869.28/652,021.20
  6. Step 6: Final answer
    x = 677,939.40

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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.