Home / 870,875.46-1,201,807.26-488,902.95

Finding the Fourth Proportional to 870,875.46, 1,201,807.26 and 488,902.95

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Solution

The fourth proportional to 870,875.46, 1,201,807.26 and 488,902.95 is: 674,685.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,875.46 : 1,201,807.26 = 488,902.95 : x
  2. Step 2: Convert to fraction form
    870,875.46/1,201,807.26 = 488,902.95/x
  3. Step 3: Cross multiply
    870,875.46x = 1,201,807.26 × 488,902.95
  4. Step 4: Simplify right side
    870,875.46x = 587,567,114,745.42
  5. Step 5: Solve for x
    x = 587,567,114,745.42/870,875.46
  6. Step 6: Final answer
    x = 674,685.58

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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.