Home / 995,459.40-1,493,381.10-426,832.20

Finding the Fourth Proportional to 995,459.40, 1,493,381.10 and 426,832.20

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Solution

The fourth proportional to 995,459.40, 1,493,381.10 and 426,832.20 is: 640,330.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,459.40 : 1,493,381.10 = 426,832.20 : x
  2. Step 2: Convert to fraction form
    995,459.40/1,493,381.10 = 426,832.20/x
  3. Step 3: Cross multiply
    995,459.40x = 1,493,381.10 × 426,832.20
  4. Step 4: Simplify right side
    995,459.40x = 637,423,140,351.42
  5. Step 5: Solve for x
    x = 637,423,140,351.42/995,459.40
  6. Step 6: Final answer
    x = 640,330.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.