Home / 892,520.47-1,231,374.08-570,416.39

Finding the Fourth Proportional to 892,520.47, 1,231,374.08 and 570,416.39

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Solution

The fourth proportional to 892,520.47, 1,231,374.08 and 570,416.39 is: 786,980.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,520.47 : 1,231,374.08 = 570,416.39 : x
  2. Step 2: Convert to fraction form
    892,520.47/1,231,374.08 = 570,416.39/x
  3. Step 3: Cross multiply
    892,520.47x = 1,231,374.08 × 570,416.39
  4. Step 4: Simplify right side
    892,520.47x = 702,395,952,722.34
  5. Step 5: Solve for x
    x = 702,395,952,722.34/892,520.47
  6. Step 6: Final answer
    x = 786,980.22

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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.