Home / 536,646.28-740,512.38-321,795.40

Finding the Fourth Proportional to 536,646.28, 740,512.38 and 321,795.40

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Solution

The fourth proportional to 536,646.28, 740,512.38 and 321,795.40 is: 444,041.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,646.28 : 740,512.38 = 321,795.40 : x
  2. Step 2: Convert to fraction form
    536,646.28/740,512.38 = 321,795.40/x
  3. Step 3: Cross multiply
    536,646.28x = 740,512.38 × 321,795.40
  4. Step 4: Simplify right side
    536,646.28x = 238,293,477,527.05
  5. Step 5: Solve for x
    x = 238,293,477,527.05/536,646.28
  6. Step 6: Final answer
    x = 444,041.98

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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.