Home / 645,030.25-968,292.80-346,094.69

Finding the Fourth Proportional to 645,030.25, 968,292.80 and 346,094.69

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Solution

The fourth proportional to 645,030.25, 968,292.80 and 346,094.69 is: 519,543.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,030.25 : 968,292.80 = 346,094.69 : x
  2. Step 2: Convert to fraction form
    645,030.25/968,292.80 = 346,094.69/x
  3. Step 3: Cross multiply
    645,030.25x = 968,292.80 × 346,094.69
  4. Step 4: Simplify right side
    645,030.25x = 335,120,992,167.80
  5. Step 5: Solve for x
    x = 335,120,992,167.80/645,030.25
  6. Step 6: Final answer
    x = 519,543.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.