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Finding the Fourth Proportional to 605,315.40, 907,645.05 and 249,927.90

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Solution

The fourth proportional to 605,315.40, 907,645.05 and 249,927.90 is: 374,756.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,315.40 : 907,645.05 = 249,927.90 : x
  2. Step 2: Convert to fraction form
    605,315.40/907,645.05 = 249,927.90/x
  3. Step 3: Cross multiply
    605,315.40x = 907,645.05 × 249,927.90
  4. Step 4: Simplify right side
    605,315.40x = 226,845,821,291.90
  5. Step 5: Solve for x
    x = 226,845,821,291.90/605,315.40
  6. Step 6: Final answer
    x = 374,756.40

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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.