Home / 784,868.60-1,177,389.30-286,340.60

Finding the Fourth Proportional to 784,868.60, 1,177,389.30 and 286,340.60

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Solution

The fourth proportional to 784,868.60, 1,177,389.30 and 286,340.60 is: 429,542.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,868.60 : 1,177,389.30 = 286,340.60 : x
  2. Step 2: Convert to fraction form
    784,868.60/1,177,389.30 = 286,340.60/x
  3. Step 3: Cross multiply
    784,868.60x = 1,177,389.30 × 286,340.60
  4. Step 4: Simplify right side
    784,868.60x = 337,134,358,595.58
  5. Step 5: Solve for x
    x = 337,134,358,595.58/784,868.60
  6. Step 6: Final answer
    x = 429,542.42

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Double scale
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1.5x scale

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.