Home / 963,576.40-1,444,781.40-430,998.16

Finding the Fourth Proportional to 963,576.40, 1,444,781.40 and 430,998.16

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Solution

The fourth proportional to 963,576.40, 1,444,781.40 and 430,998.16 is: 646,236.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,576.40 : 1,444,781.40 = 430,998.16 : x
  2. Step 2: Convert to fraction form
    963,576.40/1,444,781.40 = 430,998.16/x
  3. Step 3: Cross multiply
    963,576.40x = 1,444,781.40 × 430,998.16
  4. Step 4: Simplify right side
    963,576.40x = 622,698,125,002.22
  5. Step 5: Solve for x
    x = 622,698,125,002.22/963,576.40
  6. Step 6: Final answer
    x = 646,236.38

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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.