Home / 740,052.96-1,021,276.08-400,521.12

Finding the Fourth Proportional to 740,052.96, 1,021,276.08 and 400,521.12

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Solution

The fourth proportional to 740,052.96, 1,021,276.08 and 400,521.12 is: 552,720.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,052.96 : 1,021,276.08 = 400,521.12 : x
  2. Step 2: Convert to fraction form
    740,052.96/1,021,276.08 = 400,521.12/x
  3. Step 3: Cross multiply
    740,052.96x = 1,021,276.08 × 400,521.12
  4. Step 4: Simplify right side
    740,052.96x = 409,042,639,390.81
  5. Step 5: Solve for x
    x = 409,042,639,390.81/740,052.96
  6. Step 6: Final answer
    x = 552,720.77

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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.