Home / 830,437.14-1,146,003.20-448,463.92

Finding the Fourth Proportional to 830,437.14, 1,146,003.20 and 448,463.92

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Solution

The fourth proportional to 830,437.14, 1,146,003.20 and 448,463.92 is: 618,880.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,437.14 : 1,146,003.20 = 448,463.92 : x
  2. Step 2: Convert to fraction form
    830,437.14/1,146,003.20 = 448,463.92/x
  3. Step 3: Cross multiply
    830,437.14x = 1,146,003.20 × 448,463.92
  4. Step 4: Simplify right side
    830,437.14x = 513,941,087,404.54
  5. Step 5: Solve for x
    x = 513,941,087,404.54/830,437.14
  6. Step 6: Final answer
    x = 618,880.18

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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.