Home / 786,127.41-1,084,894.26-442,071.60

Finding the Fourth Proportional to 786,127.41, 1,084,894.26 and 442,071.60

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Solution

The fourth proportional to 786,127.41, 1,084,894.26 and 442,071.60 is: 610,080.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,127.41 : 1,084,894.26 = 442,071.60 : x
  2. Step 2: Convert to fraction form
    786,127.41/1,084,894.26 = 442,071.60/x
  3. Step 3: Cross multiply
    786,127.41x = 1,084,894.26 × 442,071.60
  4. Step 4: Simplify right side
    786,127.41x = 479,600,941,349.02
  5. Step 5: Solve for x
    x = 479,600,941,349.02/786,127.41
  6. Step 6: Final answer
    x = 610,080.42

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1.5x scale

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.