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Finding the Fourth Proportional to 620,510.02, 929,903.90 and 282,725.13

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Solution

The fourth proportional to 620,510.02, 929,903.90 and 282,725.13 is: 423,695.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,510.02 : 929,903.90 = 282,725.13 : x
  2. Step 2: Convert to fraction form
    620,510.02/929,903.90 = 282,725.13/x
  3. Step 3: Cross multiply
    620,510.02x = 929,903.90 × 282,725.13
  4. Step 4: Simplify right side
    620,510.02x = 262,907,203,088.52
  5. Step 5: Solve for x
    x = 262,907,203,088.52/620,510.02
  6. Step 6: Final answer
    x = 423,695.34

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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.