Home / 830,435.29-1,146,000.69-448,462.04

Finding the Fourth Proportional to 830,435.29, 1,146,000.69 and 448,462.04

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Solution

The fourth proportional to 830,435.29, 1,146,000.69 and 448,462.04 is: 618,877.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,435.29 : 1,146,000.69 = 448,462.04 : x
  2. Step 2: Convert to fraction form
    830,435.29/1,146,000.69 = 448,462.04/x
  3. Step 3: Cross multiply
    830,435.29x = 1,146,000.69 × 448,462.04
  4. Step 4: Simplify right side
    830,435.29x = 513,937,801,548.80
  5. Step 5: Solve for x
    x = 513,937,801,548.80/830,435.29
  6. Step 6: Final answer
    x = 618,877.60

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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.