Home / 740,864.75-1,109,877.15-440,435.75

Finding the Fourth Proportional to 740,864.75, 1,109,877.15 and 440,435.75

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Solution

The fourth proportional to 740,864.75, 1,109,877.15 and 440,435.75 is: 659,809.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,864.75 : 1,109,877.15 = 440,435.75 : x
  2. Step 2: Convert to fraction form
    740,864.75/1,109,877.15 = 440,435.75/x
  3. Step 3: Cross multiply
    740,864.75x = 1,109,877.15 × 440,435.75
  4. Step 4: Simplify right side
    740,864.75x = 488,829,574,968.11
  5. Step 5: Solve for x
    x = 488,829,574,968.11/740,864.75
  6. Step 6: Final answer
    x = 659,809.47

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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.