Home / 632,890.60-873,387.57-346,408.18

Finding the Fourth Proportional to 632,890.60, 873,387.57 and 346,408.18

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Solution

The fourth proportional to 632,890.60, 873,387.57 and 346,408.18 is: 478,042.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,890.60 : 873,387.57 = 346,408.18 : x
  2. Step 2: Convert to fraction form
    632,890.60/873,387.57 = 346,408.18/x
  3. Step 3: Cross multiply
    632,890.60x = 873,387.57 × 346,408.18
  4. Step 4: Simplify right side
    632,890.60x = 302,548,598,558.32
  5. Step 5: Solve for x
    x = 302,548,598,558.32/632,890.60
  6. Step 6: Final answer
    x = 478,042.49

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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.