Home / 380,508.02-571,038.78-306,521.36

Finding the Fourth Proportional to 380,508.02, 571,038.78 and 306,521.36

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Solution

The fourth proportional to 380,508.02, 571,038.78 and 306,521.36 is: 460,004.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,508.02 : 571,038.78 = 306,521.36 : x
  2. Step 2: Convert to fraction form
    380,508.02/571,038.78 = 306,521.36/x
  3. Step 3: Cross multiply
    380,508.02x = 571,038.78 × 306,521.36
  4. Step 4: Simplify right side
    380,508.02x = 175,035,583,458.34
  5. Step 5: Solve for x
    x = 175,035,583,458.34/380,508.02
  6. Step 6: Final answer
    x = 460,004.98

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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.