Home / 945,362.04-1,304,603.70-515,651.40

Finding the Fourth Proportional to 945,362.04, 1,304,603.70 and 515,651.40

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Solution

The fourth proportional to 945,362.04, 1,304,603.70 and 515,651.40 is: 711,601.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,362.04 : 1,304,603.70 = 515,651.40 : x
  2. Step 2: Convert to fraction form
    945,362.04/1,304,603.70 = 515,651.40/x
  3. Step 3: Cross multiply
    945,362.04x = 1,304,603.70 × 515,651.40
  4. Step 4: Simplify right side
    945,362.04x = 672,720,724,350.18
  5. Step 5: Solve for x
    x = 672,720,724,350.18/945,362.04
  6. Step 6: Final answer
    x = 711,601.16

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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.