Home / 939,447.40-1,406,485.98-623,275.24

Finding the Fourth Proportional to 939,447.40, 1,406,485.98 and 623,275.24

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Solution

The fourth proportional to 939,447.40, 1,406,485.98 and 623,275.24 is: 933,131.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,447.40 : 1,406,485.98 = 623,275.24 : x
  2. Step 2: Convert to fraction form
    939,447.40/1,406,485.98 = 623,275.24/x
  3. Step 3: Cross multiply
    939,447.40x = 1,406,485.98 × 623,275.24
  4. Step 4: Simplify right side
    939,447.40x = 876,627,886,741.14
  5. Step 5: Solve for x
    x = 876,627,886,741.14/939,447.40
  6. Step 6: Final answer
    x = 933,131.42

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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.