Home / 778,727.49-1,074,641.93-434,559.75

Finding the Fourth Proportional to 778,727.49, 1,074,641.93 and 434,559.75

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Solution

The fourth proportional to 778,727.49, 1,074,641.93 and 434,559.75 is: 599,691.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,727.49 : 1,074,641.93 = 434,559.75 : x
  2. Step 2: Convert to fraction form
    778,727.49/1,074,641.93 = 434,559.75/x
  3. Step 3: Cross multiply
    778,727.49x = 1,074,641.93 × 434,559.75
  4. Step 4: Simplify right side
    778,727.49x = 466,996,126,267.52
  5. Step 5: Solve for x
    x = 466,996,126,267.52/778,727.49
  6. Step 6: Final answer
    x = 599,691.33

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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.