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Finding the Fourth Proportional to 607,512.30, 910,284.30 and 518,938.80

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Solution

The fourth proportional to 607,512.30, 910,284.30 and 518,938.80 is: 777,567.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,512.30 : 910,284.30 = 518,938.80 : x
  2. Step 2: Convert to fraction form
    607,512.30/910,284.30 = 518,938.80/x
  3. Step 3: Cross multiply
    607,512.30x = 910,284.30 × 518,938.80
  4. Step 4: Simplify right side
    607,512.30x = 472,381,842,300.84
  5. Step 5: Solve for x
    x = 472,381,842,300.84/607,512.30
  6. Step 6: Final answer
    x = 777,567.54

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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.