Home / 774,052.30-1,068,349.40-447,379.20

Finding the Fourth Proportional to 774,052.30, 1,068,349.40 and 447,379.20

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Solution

The fourth proportional to 774,052.30, 1,068,349.40 and 447,379.20 is: 617,474.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,052.30 : 1,068,349.40 = 447,379.20 : x
  2. Step 2: Convert to fraction form
    774,052.30/1,068,349.40 = 447,379.20/x
  3. Step 3: Cross multiply
    774,052.30x = 1,068,349.40 × 447,379.20
  4. Step 4: Simplify right side
    774,052.30x = 477,957,299,333.26
  5. Step 5: Solve for x
    x = 477,957,299,333.26/774,052.30
  6. Step 6: Final answer
    x = 617,474.17

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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.