Home / 651,932.40-976,732.20-402,322.80

Finding the Fourth Proportional to 651,932.40, 976,732.20 and 402,322.80

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Solution

The fourth proportional to 651,932.40, 976,732.20 and 402,322.80 is: 602,764.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,932.40 : 976,732.20 = 402,322.80 : x
  2. Step 2: Convert to fraction form
    651,932.40/976,732.20 = 402,322.80/x
  3. Step 3: Cross multiply
    651,932.40x = 976,732.20 × 402,322.80
  4. Step 4: Simplify right side
    651,932.40x = 392,961,633,554.16
  5. Step 5: Solve for x
    x = 392,961,633,554.16/651,932.40
  6. Step 6: Final answer
    x = 602,764.39

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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.