Home / 742,403.60-1,112,827.80-292,950.80

Finding the Fourth Proportional to 742,403.60, 1,112,827.80 and 292,950.80

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Solution

The fourth proportional to 742,403.60, 1,112,827.80 and 292,950.80 is: 439,119.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,403.60 : 1,112,827.80 = 292,950.80 : x
  2. Step 2: Convert to fraction form
    742,403.60/1,112,827.80 = 292,950.80/x
  3. Step 3: Cross multiply
    742,403.60x = 1,112,827.80 × 292,950.80
  4. Step 4: Simplify right side
    742,403.60x = 326,003,794,272.24
  5. Step 5: Solve for x
    x = 326,003,794,272.24/742,403.60
  6. Step 6: Final answer
    x = 439,119.36

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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.