Home / 585,433.04-807,913.56-330,779.12

Finding the Fourth Proportional to 585,433.04, 807,913.56 and 330,779.12

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Solution

The fourth proportional to 585,433.04, 807,913.56 and 330,779.12 is: 456,484.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,433.04 : 807,913.56 = 330,779.12 : x
  2. Step 2: Convert to fraction form
    585,433.04/807,913.56 = 330,779.12/x
  3. Step 3: Cross multiply
    585,433.04x = 807,913.56 × 330,779.12
  4. Step 4: Simplify right side
    585,433.04x = 267,240,936,412.87
  5. Step 5: Solve for x
    x = 267,240,936,412.87/585,433.04
  6. Step 6: Final answer
    x = 456,484.21

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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.