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Finding the Fourth Proportional to 450,504, 621,695.52 and 249,330.24

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Solution

The fourth proportional to 450,504, 621,695.52 and 249,330.24 is: 344,075.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,504 : 621,695.52 = 249,330.24 : x
  2. Step 2: Convert to fraction form
    450,504/621,695.52 = 249,330.24/x
  3. Step 3: Cross multiply
    450,504x = 621,695.52 × 249,330.24
  4. Step 4: Simplify right side
    450,504x = 155,007,493,208.53
  5. Step 5: Solve for x
    x = 155,007,493,208.53/450,504
  6. Step 6: Final answer
    x = 344,075.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.