Home / 784,871.25-1,177,482.38-286,235.25

Finding the Fourth Proportional to 784,871.25, 1,177,482.38 and 286,235.25

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Solution

The fourth proportional to 784,871.25, 1,177,482.38 and 286,235.25 is: 429,416.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,871.25 : 1,177,482.38 = 286,235.25 : x
  2. Step 2: Convert to fraction form
    784,871.25/1,177,482.38 = 286,235.25/x
  3. Step 3: Cross multiply
    784,871.25x = 1,177,482.38 × 286,235.25
  4. Step 4: Simplify right side
    784,871.25x = 337,036,963,409.90
  5. Step 5: Solve for x
    x = 337,036,963,409.90/784,871.25
  6. Step 6: Final answer
    x = 429,416.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.