Home / 782,389.32-1,173,574.62-249,903.24

Finding the Fourth Proportional to 782,389.32, 1,173,574.62 and 249,903.24

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Solution

The fourth proportional to 782,389.32, 1,173,574.62 and 249,903.24 is: 374,851.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,389.32 : 1,173,574.62 = 249,903.24 : x
  2. Step 2: Convert to fraction form
    782,389.32/1,173,574.62 = 249,903.24/x
  3. Step 3: Cross multiply
    782,389.32x = 1,173,574.62 × 249,903.24
  4. Step 4: Simplify right side
    782,389.32x = 293,280,099,919.77
  5. Step 5: Solve for x
    x = 293,280,099,919.77/782,389.32
  6. Step 6: Final answer
    x = 374,851.87

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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.