Home / 626,212.32-938,548.62-288,784.50

Finding the Fourth Proportional to 626,212.32, 938,548.62 and 288,784.50

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Solution

The fourth proportional to 626,212.32, 938,548.62 and 288,784.50 is: 432,821.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,212.32 : 938,548.62 = 288,784.50 : x
  2. Step 2: Convert to fraction form
    626,212.32/938,548.62 = 288,784.50/x
  3. Step 3: Cross multiply
    626,212.32x = 938,548.62 × 288,784.50
  4. Step 4: Simplify right side
    626,212.32x = 271,038,293,952.39
  5. Step 5: Solve for x
    x = 271,038,293,952.39/626,212.32
  6. Step 6: Final answer
    x = 432,821.72

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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.