Home / 784,225.40-1,176,338.55-384,773.49

Finding the Fourth Proportional to 784,225.40, 1,176,338.55 and 384,773.49

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Solution

The fourth proportional to 784,225.40, 1,176,338.55 and 384,773.49 is: 577,160.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,225.40 : 1,176,338.55 = 384,773.49 : x
  2. Step 2: Convert to fraction form
    784,225.40/1,176,338.55 = 384,773.49/x
  3. Step 3: Cross multiply
    784,225.40x = 1,176,338.55 × 384,773.49
  4. Step 4: Simplify right side
    784,225.40x = 452,623,888,583.59
  5. Step 5: Solve for x
    x = 452,623,888,583.59/784,225.40
  6. Step 6: Final answer
    x = 577,160.46

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Double scale
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Similar ratio
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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.