Home / 740,827.53-1,022,346.90-401,295.78

Finding the Fourth Proportional to 740,827.53, 1,022,346.90 and 401,295.78

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Solution

The fourth proportional to 740,827.53, 1,022,346.90 and 401,295.78 is: 553,790.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,827.53 : 1,022,346.90 = 401,295.78 : x
  2. Step 2: Convert to fraction form
    740,827.53/1,022,346.90 = 401,295.78/x
  3. Step 3: Cross multiply
    740,827.53x = 1,022,346.90 × 401,295.78
  4. Step 4: Simplify right side
    740,827.53x = 410,263,496,666.08
  5. Step 5: Solve for x
    x = 410,263,496,666.08/740,827.53
  6. Step 6: Final answer
    x = 553,790.84

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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.