Home / 830,436.35-1,146,002.16-448,463.11

Finding the Fourth Proportional to 830,436.35, 1,146,002.16 and 448,463.11

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Solution

The fourth proportional to 830,436.35, 1,146,002.16 and 448,463.11 is: 618,879.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,436.35 : 1,146,002.16 = 448,463.11 : x
  2. Step 2: Convert to fraction form
    830,436.35/1,146,002.16 = 448,463.11/x
  3. Step 3: Cross multiply
    830,436.35x = 1,146,002.16 × 448,463.11
  4. Step 4: Simplify right side
    830,436.35x = 513,939,692,740.32
  5. Step 5: Solve for x
    x = 513,939,692,740.32/830,436.35
  6. Step 6: Final answer
    x = 618,879.09

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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.