Home / 913,601.81-1,369,498.75-432,984.89

Finding the Fourth Proportional to 913,601.81, 1,369,498.75 and 432,984.89

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Solution

The fourth proportional to 913,601.81, 1,369,498.75 and 432,984.89 is: 649,048.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,601.81 : 1,369,498.75 = 432,984.89 : x
  2. Step 2: Convert to fraction form
    913,601.81/1,369,498.75 = 432,984.89/x
  3. Step 3: Cross multiply
    913,601.81x = 1,369,498.75 × 432,984.89
  4. Step 4: Simplify right side
    913,601.81x = 592,972,265,623.89
  5. Step 5: Solve for x
    x = 592,972,265,623.89/913,601.81
  6. Step 6: Final answer
    x = 649,048.92

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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.