Home / 721,360.10-995,298.09-466,404.50

Finding the Fourth Proportional to 721,360.10, 995,298.09 and 466,404.50

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Solution

The fourth proportional to 721,360.10, 995,298.09 and 466,404.50 is: 643,522.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,360.10 : 995,298.09 = 466,404.50 : x
  2. Step 2: Convert to fraction form
    721,360.10/995,298.09 = 466,404.50/x
  3. Step 3: Cross multiply
    721,360.10x = 995,298.09 × 466,404.50
  4. Step 4: Simplify right side
    721,360.10x = 464,211,508,017.41
  5. Step 5: Solve for x
    x = 464,211,508,017.41/721,360.10
  6. Step 6: Final answer
    x = 643,522.57

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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.