Home / 914,681.43-1,371,289.50-434,668.34

Finding the Fourth Proportional to 914,681.43, 1,371,289.50 and 434,668.34

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Solution

The fourth proportional to 914,681.43, 1,371,289.50 and 434,668.34 is: 651,654.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,681.43 : 1,371,289.50 = 434,668.34 : x
  2. Step 2: Convert to fraction form
    914,681.43/1,371,289.50 = 434,668.34/x
  3. Step 3: Cross multiply
    914,681.43x = 1,371,289.50 × 434,668.34
  4. Step 4: Simplify right side
    914,681.43x = 596,056,134,052.65
  5. Step 5: Solve for x
    x = 596,056,134,052.65/914,681.43
  6. Step 6: Final answer
    x = 651,654.35

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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.