Home / 859,448.76-1,186,060.38-472,261.02

Finding the Fourth Proportional to 859,448.76, 1,186,060.38 and 472,261.02

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Solution

The fourth proportional to 859,448.76, 1,186,060.38 and 472,261.02 is: 651,731.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,448.76 : 1,186,060.38 = 472,261.02 : x
  2. Step 2: Convert to fraction form
    859,448.76/1,186,060.38 = 472,261.02/x
  3. Step 3: Cross multiply
    859,448.76x = 1,186,060.38 × 472,261.02
  4. Step 4: Simplify right side
    859,448.76x = 560,130,084,840.39
  5. Step 5: Solve for x
    x = 560,130,084,840.39/859,448.76
  6. Step 6: Final answer
    x = 651,731.80

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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.