Home / 830,444.54-1,146,013.47-448,471.32

Finding the Fourth Proportional to 830,444.54, 1,146,013.47 and 448,471.32

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Solution

The fourth proportional to 830,444.54, 1,146,013.47 and 448,471.32 is: 618,890.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,444.54 : 1,146,013.47 = 448,471.32 : x
  2. Step 2: Convert to fraction form
    830,444.54/1,146,013.47 = 448,471.32/x
  3. Step 3: Cross multiply
    830,444.54x = 1,146,013.47 × 448,471.32
  4. Step 4: Simplify right side
    830,444.54x = 513,954,173,628.68
  5. Step 5: Solve for x
    x = 513,954,173,628.68/830,444.54
  6. Step 6: Final answer
    x = 618,890.43

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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.