Home / 705,842.40-1,058,763.60-284,901.60

Finding the Fourth Proportional to 705,842.40, 1,058,763.60 and 284,901.60

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Solution

The fourth proportional to 705,842.40, 1,058,763.60 and 284,901.60 is: 427,352.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,842.40 : 1,058,763.60 = 284,901.60 : x
  2. Step 2: Convert to fraction form
    705,842.40/1,058,763.60 = 284,901.60/x
  3. Step 3: Cross multiply
    705,842.40x = 1,058,763.60 × 284,901.60
  4. Step 4: Simplify right side
    705,842.40x = 301,643,443,661.76
  5. Step 5: Solve for x
    x = 301,643,443,661.76/705,842.40
  6. Step 6: Final answer
    x = 427,352.40

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Double scale
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Similar ratio
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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.