Home / 830,610.54-1,146,243.36-448,637.34

Finding the Fourth Proportional to 830,610.54, 1,146,243.36 and 448,637.34

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Solution

The fourth proportional to 830,610.54, 1,146,243.36 and 448,637.34 is: 619,119.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,610.54 : 1,146,243.36 = 448,637.34 : x
  2. Step 2: Convert to fraction form
    830,610.54/1,146,243.36 = 448,637.34/x
  3. Step 3: Cross multiply
    830,610.54x = 1,146,243.36 × 448,637.34
  4. Step 4: Simplify right side
    830,610.54x = 514,247,572,023.06
  5. Step 5: Solve for x
    x = 514,247,572,023.06/830,610.54
  6. Step 6: Final answer
    x = 619,119.97

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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.