Home / 766,277.10-1,147,447.35-607,500.90

Finding the Fourth Proportional to 766,277.10, 1,147,447.35 and 607,500.90

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Solution

The fourth proportional to 766,277.10, 1,147,447.35 and 607,500.90 is: 909,690.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,277.10 : 1,147,447.35 = 607,500.90 : x
  2. Step 2: Convert to fraction form
    766,277.10/1,147,447.35 = 607,500.90/x
  3. Step 3: Cross multiply
    766,277.10x = 1,147,447.35 × 607,500.90
  4. Step 4: Simplify right side
    766,277.10x = 697,075,297,827.62
  5. Step 5: Solve for x
    x = 697,075,297,827.62/766,277.10
  6. Step 6: Final answer
    x = 909,690.89

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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.