Home / 745,880.94-1,118,988.54-272,554.20

Finding the Fourth Proportional to 745,880.94, 1,118,988.54 and 272,554.20

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Solution

The fourth proportional to 745,880.94, 1,118,988.54 and 272,554.20 is: 408,892.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,880.94 : 1,118,988.54 = 272,554.20 : x
  2. Step 2: Convert to fraction form
    745,880.94/1,118,988.54 = 272,554.20/x
  3. Step 3: Cross multiply
    745,880.94x = 1,118,988.54 × 272,554.20
  4. Step 4: Simplify right side
    745,880.94x = 304,985,026,328.87
  5. Step 5: Solve for x
    x = 304,985,026,328.87/745,880.94
  6. Step 6: Final answer
    x = 408,892.37

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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.