Home / 840,367.71-1,159,660.80-477,741.24

Finding the Fourth Proportional to 840,367.71, 1,159,660.80 and 477,741.24

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Solution

The fourth proportional to 840,367.71, 1,159,660.80 and 477,741.24 is: 659,256.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,367.71 : 1,159,660.80 = 477,741.24 : x
  2. Step 2: Convert to fraction form
    840,367.71/1,159,660.80 = 477,741.24/x
  3. Step 3: Cross multiply
    840,367.71x = 1,159,660.80 × 477,741.24
  4. Step 4: Simplify right side
    840,367.71x = 554,017,788,571.39
  5. Step 5: Solve for x
    x = 554,017,788,571.39/840,367.71
  6. Step 6: Final answer
    x = 659,256.40

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Double scale
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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.