Home / 958,779.45-1,438,810.69-397,813.95

Finding the Fourth Proportional to 958,779.45, 1,438,810.69 and 397,813.95

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Solution

The fourth proportional to 958,779.45, 1,438,810.69 and 397,813.95 is: 596,987.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,779.45 : 1,438,810.69 = 397,813.95 : x
  2. Step 2: Convert to fraction form
    958,779.45/1,438,810.69 = 397,813.95/x
  3. Step 3: Cross multiply
    958,779.45x = 1,438,810.69 × 397,813.95
  4. Step 4: Simplify right side
    958,779.45x = 572,378,963,891.13
  5. Step 5: Solve for x
    x = 572,378,963,891.13/958,779.45
  6. Step 6: Final answer
    x = 596,987.10

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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.