Home / 912,574.62-1,369,054.71-343,943.69

Finding the Fourth Proportional to 912,574.62, 1,369,054.71 and 343,943.69

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Solution

The fourth proportional to 912,574.62, 1,369,054.71 and 343,943.69 is: 515,988.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,574.62 : 1,369,054.71 = 343,943.69 : x
  2. Step 2: Convert to fraction form
    912,574.62/1,369,054.71 = 343,943.69/x
  3. Step 3: Cross multiply
    912,574.62x = 1,369,054.71 × 343,943.69
  4. Step 4: Simplify right side
    912,574.62x = 470,877,721,924.01
  5. Step 5: Solve for x
    x = 470,877,721,924.01/912,574.62
  6. Step 6: Final answer
    x = 515,988.19

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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.