Home / 830,441.52-1,146,009.20-448,468.24

Finding the Fourth Proportional to 830,441.52, 1,146,009.20 and 448,468.24

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Solution

The fourth proportional to 830,441.52, 1,146,009.20 and 448,468.24 is: 618,886.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,441.52 : 1,146,009.20 = 448,468.24 : x
  2. Step 2: Convert to fraction form
    830,441.52/1,146,009.20 = 448,468.24/x
  3. Step 3: Cross multiply
    830,441.52x = 1,146,009.20 × 448,468.24
  4. Step 4: Simplify right side
    830,441.52x = 513,948,728,947.81
  5. Step 5: Solve for x
    x = 513,948,728,947.81/830,441.52
  6. Step 6: Final answer
    x = 618,886.12

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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.