Home / 939,779.95-1,296,896.88-510,060.07

Finding the Fourth Proportional to 939,779.95, 1,296,896.88 and 510,060.07

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Solution

The fourth proportional to 939,779.95, 1,296,896.88 and 510,060.07 is: 703,883.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,779.95 : 1,296,896.88 = 510,060.07 : x
  2. Step 2: Convert to fraction form
    939,779.95/1,296,896.88 = 510,060.07/x
  3. Step 3: Cross multiply
    939,779.95x = 1,296,896.88 × 510,060.07
  4. Step 4: Simplify right side
    939,779.95x = 661,495,313,395.58
  5. Step 5: Solve for x
    x = 661,495,313,395.58/939,779.95
  6. Step 6: Final answer
    x = 703,883.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.