Home / 830,437.35-1,146,003.54-448,464.12

Finding the Fourth Proportional to 830,437.35, 1,146,003.54 and 448,464.12

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Solution

The fourth proportional to 830,437.35, 1,146,003.54 and 448,464.12 is: 618,880.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,437.35 : 1,146,003.54 = 448,464.12 : x
  2. Step 2: Convert to fraction form
    830,437.35/1,146,003.54 = 448,464.12/x
  3. Step 3: Cross multiply
    830,437.35x = 1,146,003.54 × 448,464.12
  4. Step 4: Simplify right side
    830,437.35x = 513,941,469,082.99
  5. Step 5: Solve for x
    x = 513,941,469,082.99/830,437.35
  6. Step 6: Final answer
    x = 618,880.48

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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.