Home / 933,322.79-1,287,902.78-519,828.02

Finding the Fourth Proportional to 933,322.79, 1,287,902.78 and 519,828.02

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Solution

The fourth proportional to 933,322.79, 1,287,902.78 and 519,828.02 is: 717,316.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,322.79 : 1,287,902.78 = 519,828.02 : x
  2. Step 2: Convert to fraction form
    933,322.79/1,287,902.78 = 519,828.02/x
  3. Step 3: Cross multiply
    933,322.79x = 1,287,902.78 × 519,828.02
  4. Step 4: Simplify right side
    933,322.79x = 669,487,943,041.24
  5. Step 5: Solve for x
    x = 669,487,943,041.24/933,322.79
  6. Step 6: Final answer
    x = 717,316.62

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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.