Home / 637,429.80-954,176.40-370,397.10

Finding the Fourth Proportional to 637,429.80, 954,176.40 and 370,397.10

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Solution

The fourth proportional to 637,429.80, 954,176.40 and 370,397.10 is: 554,451.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,429.80 : 954,176.40 = 370,397.10 : x
  2. Step 2: Convert to fraction form
    637,429.80/954,176.40 = 370,397.10/x
  3. Step 3: Cross multiply
    637,429.80x = 954,176.40 × 370,397.10
  4. Step 4: Simplify right side
    637,429.80x = 353,424,171,448.44
  5. Step 5: Solve for x
    x = 353,424,171,448.44/637,429.80
  6. Step 6: Final answer
    x = 554,451.91

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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.