Home / 687,341.52-1,029,632.61-350,368.56

Finding the Fourth Proportional to 687,341.52, 1,029,632.61 and 350,368.56

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Solution

The fourth proportional to 687,341.52, 1,029,632.61 and 350,368.56 is: 524,849.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,341.52 : 1,029,632.61 = 350,368.56 : x
  2. Step 2: Convert to fraction form
    687,341.52/1,029,632.61 = 350,368.56/x
  3. Step 3: Cross multiply
    687,341.52x = 1,029,632.61 × 350,368.56
  4. Step 4: Simplify right side
    687,341.52x = 360,750,894,894.74
  5. Step 5: Solve for x
    x = 360,750,894,894.74/687,341.52
  6. Step 6: Final answer
    x = 524,849.56

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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.