Home / 670,724.10-1,005,740.55-249,783.30

Finding the Fourth Proportional to 670,724.10, 1,005,740.55 and 249,783.30

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Solution

The fourth proportional to 670,724.10, 1,005,740.55 and 249,783.30 is: 374,546.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,724.10 : 1,005,740.55 = 249,783.30 : x
  2. Step 2: Convert to fraction form
    670,724.10/1,005,740.55 = 249,783.30/x
  3. Step 3: Cross multiply
    670,724.10x = 1,005,740.55 × 249,783.30
  4. Step 4: Simplify right side
    670,724.10x = 251,217,193,522.82
  5. Step 5: Solve for x
    x = 251,217,193,522.82/670,724.10
  6. Step 6: Final answer
    x = 374,546.25

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1.5x scale

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.