Home / 699,717.53-1,048,482.77-486,901.25

Finding the Fourth Proportional to 699,717.53, 1,048,482.77 and 486,901.25

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Solution

The fourth proportional to 699,717.53, 1,048,482.77 and 486,901.25 is: 729,590.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,717.53 : 1,048,482.77 = 486,901.25 : x
  2. Step 2: Convert to fraction form
    699,717.53/1,048,482.77 = 486,901.25/x
  3. Step 3: Cross multiply
    699,717.53x = 1,048,482.77 × 486,901.25
  4. Step 4: Simplify right side
    699,717.53x = 510,507,563,639.54
  5. Step 5: Solve for x
    x = 510,507,563,639.54/699,717.53
  6. Step 6: Final answer
    x = 729,590.94

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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.