Home / 723,952.20-1,085,928.30-500,003.40

Finding the Fourth Proportional to 723,952.20, 1,085,928.30 and 500,003.40

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Solution

The fourth proportional to 723,952.20, 1,085,928.30 and 500,003.40 is: 750,005.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,952.20 : 1,085,928.30 = 500,003.40 : x
  2. Step 2: Convert to fraction form
    723,952.20/1,085,928.30 = 500,003.40/x
  3. Step 3: Cross multiply
    723,952.20x = 1,085,928.30 × 500,003.40
  4. Step 4: Simplify right side
    723,952.20x = 542,967,842,156.22
  5. Step 5: Solve for x
    x = 542,967,842,156.22/723,952.20
  6. Step 6: Final answer
    x = 750,005.10

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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.