Home / 628,404.20-942,606.30-488,263.40

Finding the Fourth Proportional to 628,404.20, 942,606.30 and 488,263.40

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Solution

The fourth proportional to 628,404.20, 942,606.30 and 488,263.40 is: 732,395.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,404.20 : 942,606.30 = 488,263.40 : x
  2. Step 2: Convert to fraction form
    628,404.20/942,606.30 = 488,263.40/x
  3. Step 3: Cross multiply
    628,404.20x = 942,606.30 × 488,263.40
  4. Step 4: Simplify right side
    628,404.20x = 460,240,156,899.42
  5. Step 5: Solve for x
    x = 460,240,156,899.42/628,404.20
  6. Step 6: Final answer
    x = 732,395.10

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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.