Home / 870,670.16-1,201,458.90-488,623.13

Finding the Fourth Proportional to 870,670.16, 1,201,458.90 and 488,623.13

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Solution

The fourth proportional to 870,670.16, 1,201,458.90 and 488,623.13 is: 674,262.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,670.16 : 1,201,458.90 = 488,623.13 : x
  2. Step 2: Convert to fraction form
    870,670.16/1,201,458.90 = 488,623.13/x
  3. Step 3: Cross multiply
    870,670.16x = 1,201,458.90 × 488,623.13
  4. Step 4: Simplify right side
    870,670.16x = 587,060,602,277.06
  5. Step 5: Solve for x
    x = 587,060,602,277.06/870,670.16
  6. Step 6: Final answer
    x = 674,262.92

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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.