Home / 830,436.14-1,146,001.82-448,462.92

Finding the Fourth Proportional to 830,436.14, 1,146,001.82 and 448,462.92

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Solution

The fourth proportional to 830,436.14, 1,146,001.82 and 448,462.92 is: 618,878.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,436.14 : 1,146,001.82 = 448,462.92 : x
  2. Step 2: Convert to fraction form
    830,436.14/1,146,001.82 = 448,462.92/x
  3. Step 3: Cross multiply
    830,436.14x = 1,146,001.82 × 448,462.92
  4. Step 4: Simplify right side
    830,436.14x = 513,939,322,522.51
  5. Step 5: Solve for x
    x = 513,939,322,522.51/830,436.14
  6. Step 6: Final answer
    x = 618,878.80

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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.