Home / 910,577.40-1,365,866.10-279,409.20

Finding the Fourth Proportional to 910,577.40, 1,365,866.10 and 279,409.20

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Solution

The fourth proportional to 910,577.40, 1,365,866.10 and 279,409.20 is: 419,113.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,577.40 : 1,365,866.10 = 279,409.20 : x
  2. Step 2: Convert to fraction form
    910,577.40/1,365,866.10 = 279,409.20/x
  3. Step 3: Cross multiply
    910,577.40x = 1,365,866.10 × 279,409.20
  4. Step 4: Simplify right side
    910,577.40x = 381,635,554,308.12
  5. Step 5: Solve for x
    x = 381,635,554,308.12/910,577.40
  6. Step 6: Final answer
    x = 419,113.80

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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.