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Finding the Fourth Proportional to 766,300.60, 1,147,482.60 and 607,524.40

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Solution

The fourth proportional to 766,300.60, 1,147,482.60 and 607,524.40 is: 909,726.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,300.60 : 1,147,482.60 = 607,524.40 : x
  2. Step 2: Convert to fraction form
    766,300.60/1,147,482.60 = 607,524.40/x
  3. Step 3: Cross multiply
    766,300.60x = 1,147,482.60 × 607,524.40
  4. Step 4: Simplify right side
    766,300.60x = 697,123,678,075.44
  5. Step 5: Solve for x
    x = 697,123,678,075.44/766,300.60
  6. Step 6: Final answer
    x = 909,726.13

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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.