Home / 991,915.98-1,369,095.14-610,284.48

Finding the Fourth Proportional to 991,915.98, 1,369,095.14 and 610,284.48

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Solution

The fourth proportional to 991,915.98, 1,369,095.14 and 610,284.48 is: 842,347.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,915.98 : 1,369,095.14 = 610,284.48 : x
  2. Step 2: Convert to fraction form
    991,915.98/1,369,095.14 = 610,284.48/x
  3. Step 3: Cross multiply
    991,915.98x = 1,369,095.14 × 610,284.48
  4. Step 4: Simplify right side
    991,915.98x = 835,537,512,534.01
  5. Step 5: Solve for x
    x = 835,537,512,534.01/991,915.98
  6. Step 6: Final answer
    x = 842,347.06

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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.