Home / 723,948.80-1,085,923.20-472,006.40

Finding the Fourth Proportional to 723,948.80, 1,085,923.20 and 472,006.40

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Solution

The fourth proportional to 723,948.80, 1,085,923.20 and 472,006.40 is: 708,009.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,948.80 : 1,085,923.20 = 472,006.40 : x
  2. Step 2: Convert to fraction form
    723,948.80/1,085,923.20 = 472,006.40/x
  3. Step 3: Cross multiply
    723,948.80x = 1,085,923.20 × 472,006.40
  4. Step 4: Simplify right side
    723,948.80x = 512,562,700,308.48
  5. Step 5: Solve for x
    x = 512,562,700,308.48/723,948.80
  6. Step 6: Final answer
    x = 708,009.60

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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.