Home / 860,010.24-1,290,026.88-299,055.36

Finding the Fourth Proportional to 860,010.24, 1,290,026.88 and 299,055.36

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Solution

The fourth proportional to 860,010.24, 1,290,026.88 and 299,055.36 is: 448,587.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,010.24 : 1,290,026.88 = 299,055.36 : x
  2. Step 2: Convert to fraction form
    860,010.24/1,290,026.88 = 299,055.36/x
  3. Step 3: Cross multiply
    860,010.24x = 1,290,026.88 × 299,055.36
  4. Step 4: Simplify right side
    860,010.24x = 385,789,453,008.08
  5. Step 5: Solve for x
    x = 385,789,453,008.08/860,010.24
  6. Step 6: Final answer
    x = 448,587.05

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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.