Home / 745,976.42-1,118,963.61-346,398.69

Finding the Fourth Proportional to 745,976.42, 1,118,963.61 and 346,398.69

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Solution

The fourth proportional to 745,976.42, 1,118,963.61 and 346,398.69 is: 519,597.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,976.42 : 1,118,963.61 = 346,398.69 : x
  2. Step 2: Convert to fraction form
    745,976.42/1,118,963.61 = 346,398.69/x
  3. Step 3: Cross multiply
    745,976.42x = 1,118,963.61 × 346,398.69
  4. Step 4: Simplify right side
    745,976.42x = 387,607,528,661.67
  5. Step 5: Solve for x
    x = 387,607,528,661.67/745,976.42
  6. Step 6: Final answer
    x = 519,597.56

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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.