Home / 756,685.40-1,134,245.90-351,547.10

Finding the Fourth Proportional to 756,685.40, 1,134,245.90 and 351,547.10

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Solution

The fourth proportional to 756,685.40, 1,134,245.90 and 351,547.10 is: 526,957.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,685.40 : 1,134,245.90 = 351,547.10 : x
  2. Step 2: Convert to fraction form
    756,685.40/1,134,245.90 = 351,547.10/x
  3. Step 3: Cross multiply
    756,685.40x = 1,134,245.90 × 351,547.10
  4. Step 4: Simplify right side
    756,685.40x = 398,740,856,831.89
  5. Step 5: Solve for x
    x = 398,740,856,831.89/756,685.40
  6. Step 6: Final answer
    x = 526,957.25

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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.