Home / 740,466.50-1,021,844.50-400,933.94

Finding the Fourth Proportional to 740,466.50, 1,021,844.50 and 400,933.94

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Solution

The fourth proportional to 740,466.50, 1,021,844.50 and 400,933.94 is: 553,289.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,466.50 : 1,021,844.50 = 400,933.94 : x
  2. Step 2: Convert to fraction form
    740,466.50/1,021,844.50 = 400,933.94/x
  3. Step 3: Cross multiply
    740,466.50x = 1,021,844.50 × 400,933.94
  4. Step 4: Simplify right side
    740,466.50x = 409,692,135,340.77
  5. Step 5: Solve for x
    x = 409,692,135,340.77/740,466.50
  6. Step 6: Final answer
    x = 553,289.23

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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.