Home / 845,897.18-1,268,550.11-340,326.77

Finding the Fourth Proportional to 845,897.18, 1,268,550.11 and 340,326.77

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Solution

The fourth proportional to 845,897.18, 1,268,550.11 and 340,326.77 is: 510,371.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,897.18 : 1,268,550.11 = 340,326.77 : x
  2. Step 2: Convert to fraction form
    845,897.18/1,268,550.11 = 340,326.77/x
  3. Step 3: Cross multiply
    845,897.18x = 1,268,550.11 × 340,326.77
  4. Step 4: Simplify right side
    845,897.18x = 431,721,556,027.51
  5. Step 5: Solve for x
    x = 431,721,556,027.51/845,897.18
  6. Step 6: Final answer
    x = 510,371.20

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Double scale
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1.5x scale

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.