Home / 677,948.96-1,016,929.20-172,510.40

Finding the Fourth Proportional to 677,948.96, 1,016,929.20 and 172,510.40

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Solution

The fourth proportional to 677,948.96, 1,016,929.20 and 172,510.40 is: 258,767.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,948.96 : 1,016,929.20 = 172,510.40 : x
  2. Step 2: Convert to fraction form
    677,948.96/1,016,929.20 = 172,510.40/x
  3. Step 3: Cross multiply
    677,948.96x = 1,016,929.20 × 172,510.40
  4. Step 4: Simplify right side
    677,948.96x = 175,430,863,063.68
  5. Step 5: Solve for x
    x = 175,430,863,063.68/677,948.96
  6. Step 6: Final answer
    x = 258,767.07

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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.