Home / 840,531.39-1,159,927.80-477,955.28

Finding the Fourth Proportional to 840,531.39, 1,159,927.80 and 477,955.28

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Solution

The fourth proportional to 840,531.39, 1,159,927.80 and 477,955.28 is: 659,575.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,531.39 : 1,159,927.80 = 477,955.28 : x
  2. Step 2: Convert to fraction form
    840,531.39/1,159,927.80 = 477,955.28/x
  3. Step 3: Cross multiply
    840,531.39x = 1,159,927.80 × 477,955.28
  4. Step 4: Simplify right side
    840,531.39x = 554,393,610,629.15
  5. Step 5: Solve for x
    x = 554,393,610,629.15/840,531.39
  6. Step 6: Final answer
    x = 659,575.14

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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.