Home / 723,292.20-1,085,111.10-349,007.40

Finding the Fourth Proportional to 723,292.20, 1,085,111.10 and 349,007.40

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Solution

The fourth proportional to 723,292.20, 1,085,111.10 and 349,007.40 is: 523,594.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,292.20 : 1,085,111.10 = 349,007.40 : x
  2. Step 2: Convert to fraction form
    723,292.20/1,085,111.10 = 349,007.40/x
  3. Step 3: Cross multiply
    723,292.20x = 1,085,111.10 × 349,007.40
  4. Step 4: Simplify right side
    723,292.20x = 378,711,803,722.14
  5. Step 5: Solve for x
    x = 378,711,803,722.14/723,292.20
  6. Step 6: Final answer
    x = 523,594.48

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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.