Home / 660,492.36-911,494.08-370,125.54

Finding the Fourth Proportional to 660,492.36, 911,494.08 and 370,125.54

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Solution

The fourth proportional to 660,492.36, 911,494.08 and 370,125.54 is: 510,781.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,492.36 : 911,494.08 = 370,125.54 : x
  2. Step 2: Convert to fraction form
    660,492.36/911,494.08 = 370,125.54/x
  3. Step 3: Cross multiply
    660,492.36x = 911,494.08 × 370,125.54
  4. Step 4: Simplify right side
    660,492.36x = 337,367,238,566.80
  5. Step 5: Solve for x
    x = 337,367,238,566.80/660,492.36
  6. Step 6: Final answer
    x = 510,781.44

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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.