Home / 918,822.01-1,267,975.42-510,915.09

Finding the Fourth Proportional to 918,822.01, 1,267,975.42 and 510,915.09

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Solution

The fourth proportional to 918,822.01, 1,267,975.42 and 510,915.09 is: 705,063.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,822.01 : 1,267,975.42 = 510,915.09 : x
  2. Step 2: Convert to fraction form
    918,822.01/1,267,975.42 = 510,915.09/x
  3. Step 3: Cross multiply
    918,822.01x = 1,267,975.42 × 510,915.09
  4. Step 4: Simplify right side
    918,822.01x = 647,827,779,304.71
  5. Step 5: Solve for x
    x = 647,827,779,304.71/918,822.01
  6. Step 6: Final answer
    x = 705,063.41

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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.