Home / 450,824.50-622,157.28-249,620.50

Finding the Fourth Proportional to 450,824.50, 622,157.28 and 249,620.50

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Solution

The fourth proportional to 450,824.50, 622,157.28 and 249,620.50 is: 344,487.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,824.50 : 622,157.28 = 249,620.50 : x
  2. Step 2: Convert to fraction form
    450,824.50/622,157.28 = 249,620.50/x
  3. Step 3: Cross multiply
    450,824.50x = 622,157.28 × 249,620.50
  4. Step 4: Simplify right side
    450,824.50x = 155,303,211,312.24
  5. Step 5: Solve for x
    x = 155,303,211,312.24/450,824.50
  6. Step 6: Final answer
    x = 344,487.07

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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.