Home / 934,943.92-1,290,223.02-505,224.08

Finding the Fourth Proportional to 934,943.92, 1,290,223.02 and 505,224.08

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Solution

The fourth proportional to 934,943.92, 1,290,223.02 and 505,224.08 is: 697,209.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,943.92 : 1,290,223.02 = 505,224.08 : x
  2. Step 2: Convert to fraction form
    934,943.92/1,290,223.02 = 505,224.08/x
  3. Step 3: Cross multiply
    934,943.92x = 1,290,223.02 × 505,224.08
  4. Step 4: Simplify right side
    934,943.92x = 651,851,738,274.32
  5. Step 5: Solve for x
    x = 651,851,738,274.32/934,943.92
  6. Step 6: Final answer
    x = 697,209.45

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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.