Home / 870,384.42-1,304,032.07-363,828.75

Finding the Fourth Proportional to 870,384.42, 1,304,032.07 and 363,828.75

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Solution

The fourth proportional to 870,384.42, 1,304,032.07 and 363,828.75 is: 545,097.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,384.42 : 1,304,032.07 = 363,828.75 : x
  2. Step 2: Convert to fraction form
    870,384.42/1,304,032.07 = 363,828.75/x
  3. Step 3: Cross multiply
    870,384.42x = 1,304,032.07 × 363,828.75
  4. Step 4: Simplify right side
    870,384.42x = 474,444,357,988.01
  5. Step 5: Solve for x
    x = 474,444,357,988.01/870,384.42
  6. Step 6: Final answer
    x = 545,097.48

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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.