Home / 879,881.40-1,319,822.10-614,460.60

Finding the Fourth Proportional to 879,881.40, 1,319,822.10 and 614,460.60

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Solution

The fourth proportional to 879,881.40, 1,319,822.10 and 614,460.60 is: 921,690.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,881.40 : 1,319,822.10 = 614,460.60 : x
  2. Step 2: Convert to fraction form
    879,881.40/1,319,822.10 = 614,460.60/x
  3. Step 3: Cross multiply
    879,881.40x = 1,319,822.10 × 614,460.60
  4. Step 4: Simplify right side
    879,881.40x = 810,978,679,459.26
  5. Step 5: Solve for x
    x = 810,978,679,459.26/879,881.40
  6. Step 6: Final answer
    x = 921,690.90

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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.