Home / 815,427.63-1,125,188.24-452,802.19

Finding the Fourth Proportional to 815,427.63, 1,125,188.24 and 452,802.19

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Solution

The fourth proportional to 815,427.63, 1,125,188.24 and 452,802.19 is: 624,810.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,427.63 : 1,125,188.24 = 452,802.19 : x
  2. Step 2: Convert to fraction form
    815,427.63/1,125,188.24 = 452,802.19/x
  3. Step 3: Cross multiply
    815,427.63x = 1,125,188.24 × 452,802.19
  4. Step 4: Simplify right side
    815,427.63x = 509,487,699,234.25
  5. Step 5: Solve for x
    x = 509,487,699,234.25/815,427.63
  6. Step 6: Final answer
    x = 624,810.44

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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.