Home / 753,086.02-1,039,693.32-571,480.27

Finding the Fourth Proportional to 753,086.02, 1,039,693.32 and 571,480.27

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Solution

The fourth proportional to 753,086.02, 1,039,693.32 and 571,480.27 is: 788,972.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,086.02 : 1,039,693.32 = 571,480.27 : x
  2. Step 2: Convert to fraction form
    753,086.02/1,039,693.32 = 571,480.27/x
  3. Step 3: Cross multiply
    753,086.02x = 1,039,693.32 × 571,480.27
  4. Step 4: Simplify right side
    753,086.02x = 594,164,219,230.80
  5. Step 5: Solve for x
    x = 594,164,219,230.80/753,086.02
  6. Step 6: Final answer
    x = 788,972.58

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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.