Home / 992,256.60-1,488,384.90-432,384.60

Finding the Fourth Proportional to 992,256.60, 1,488,384.90 and 432,384.60

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Solution

The fourth proportional to 992,256.60, 1,488,384.90 and 432,384.60 is: 648,576.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,256.60 : 1,488,384.90 = 432,384.60 : x
  2. Step 2: Convert to fraction form
    992,256.60/1,488,384.90 = 432,384.60/x
  3. Step 3: Cross multiply
    992,256.60x = 1,488,384.90 × 432,384.60
  4. Step 4: Simplify right side
    992,256.60x = 643,554,709,632.54
  5. Step 5: Solve for x
    x = 643,554,709,632.54/992,256.60
  6. Step 6: Final answer
    x = 648,576.90

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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.