Home / 870,835.50-1,201,748.16-488,862.18

Finding the Fourth Proportional to 870,835.50, 1,201,748.16 and 488,862.18

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Solution

The fourth proportional to 870,835.50, 1,201,748.16 and 488,862.18 is: 674,627.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,835.50 : 1,201,748.16 = 488,862.18 : x
  2. Step 2: Convert to fraction form
    870,835.50/1,201,748.16 = 488,862.18/x
  3. Step 3: Cross multiply
    870,835.50x = 1,201,748.16 × 488,862.18
  4. Step 4: Simplify right side
    870,835.50x = 587,489,225,308.59
  5. Step 5: Solve for x
    x = 587,489,225,308.59/870,835.50
  6. Step 6: Final answer
    x = 674,627.10

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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.