Home / 989,194.04-1,483,945.50-315,426.36

Finding the Fourth Proportional to 989,194.04, 1,483,945.50 and 315,426.36

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Solution

The fourth proportional to 989,194.04, 1,483,945.50 and 315,426.36 is: 473,188.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,194.04 : 1,483,945.50 = 315,426.36 : x
  2. Step 2: Convert to fraction form
    989,194.04/1,483,945.50 = 315,426.36/x
  3. Step 3: Cross multiply
    989,194.04x = 1,483,945.50 × 315,426.36
  4. Step 4: Simplify right side
    989,194.04x = 468,075,527,503.38
  5. Step 5: Solve for x
    x = 468,075,527,503.38/989,194.04
  6. Step 6: Final answer
    x = 473,188.79

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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.