Home / 942,728.64-1,300,992.90-513,036.48

Finding the Fourth Proportional to 942,728.64, 1,300,992.90 and 513,036.48

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Solution

The fourth proportional to 942,728.64, 1,300,992.90 and 513,036.48 is: 708,005.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,728.64 : 1,300,992.90 = 513,036.48 : x
  2. Step 2: Convert to fraction form
    942,728.64/1,300,992.90 = 513,036.48/x
  3. Step 3: Cross multiply
    942,728.64x = 1,300,992.90 × 513,036.48
  4. Step 4: Simplify right side
    942,728.64x = 667,456,817,920.99
  5. Step 5: Solve for x
    x = 667,456,817,920.99/942,728.64
  6. Step 6: Final answer
    x = 708,005.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.