Home / 851,422.06-1,175,247.15-507,365.91

Finding the Fourth Proportional to 851,422.06, 1,175,247.15 and 507,365.91

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Solution

The fourth proportional to 851,422.06, 1,175,247.15 and 507,365.91 is: 700,334.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,422.06 : 1,175,247.15 = 507,365.91 : x
  2. Step 2: Convert to fraction form
    851,422.06/1,175,247.15 = 507,365.91/x
  3. Step 3: Cross multiply
    851,422.06x = 1,175,247.15 × 507,365.91
  4. Step 4: Simplify right side
    851,422.06x = 596,280,339,734.66
  5. Step 5: Solve for x
    x = 596,280,339,734.66/851,422.06
  6. Step 6: Final answer
    x = 700,334.62

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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.