Home / 753,014.40-1,039,214.40-497,923.20

Finding the Fourth Proportional to 753,014.40, 1,039,214.40 and 497,923.20

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Solution

The fourth proportional to 753,014.40, 1,039,214.40 and 497,923.20 is: 687,170.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,014.40 : 1,039,214.40 = 497,923.20 : x
  2. Step 2: Convert to fraction form
    753,014.40/1,039,214.40 = 497,923.20/x
  3. Step 3: Cross multiply
    753,014.40x = 1,039,214.40 × 497,923.20
  4. Step 4: Simplify right side
    753,014.40x = 517,448,959,534.08
  5. Step 5: Solve for x
    x = 517,448,959,534.08/753,014.40
  6. Step 6: Final answer
    x = 687,170.07

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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.