Home / 670,055.40-1,005,083.10-625,440.60

Finding the Fourth Proportional to 670,055.40, 1,005,083.10 and 625,440.60

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Solution

The fourth proportional to 670,055.40, 1,005,083.10 and 625,440.60 is: 938,160.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,055.40 : 1,005,083.10 = 625,440.60 : x
  2. Step 2: Convert to fraction form
    670,055.40/1,005,083.10 = 625,440.60/x
  3. Step 3: Cross multiply
    670,055.40x = 1,005,083.10 × 625,440.60
  4. Step 4: Simplify right side
    670,055.40x = 628,619,777,113.86
  5. Step 5: Solve for x
    x = 628,619,777,113.86/670,055.40
  6. Step 6: Final answer
    x = 938,160.90

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1.5x scale

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.