Home / 830,642.55-1,146,287.19-448,669.33

Finding the Fourth Proportional to 830,642.55, 1,146,287.19 and 448,669.33

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Solution

The fourth proportional to 830,642.55, 1,146,287.19 and 448,669.33 is: 619,163.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,642.55 : 1,146,287.19 = 448,669.33 : x
  2. Step 2: Convert to fraction form
    830,642.55/1,146,287.19 = 448,669.33/x
  3. Step 3: Cross multiply
    830,642.55x = 1,146,287.19 × 448,669.33
  4. Step 4: Simplify right side
    830,642.55x = 514,303,904,341.68
  5. Step 5: Solve for x
    x = 514,303,904,341.68/830,642.55
  6. Step 6: Final answer
    x = 619,163.93

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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.