Home / 724,803.24-1,000,274.82-402,513.32

Finding the Fourth Proportional to 724,803.24, 1,000,274.82 and 402,513.32

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Solution

The fourth proportional to 724,803.24, 1,000,274.82 and 402,513.32 is: 555,494.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,803.24 : 1,000,274.82 = 402,513.32 : x
  2. Step 2: Convert to fraction form
    724,803.24/1,000,274.82 = 402,513.32/x
  3. Step 3: Cross multiply
    724,803.24x = 1,000,274.82 × 402,513.32
  4. Step 4: Simplify right side
    724,803.24x = 402,623,938,710.60
  5. Step 5: Solve for x
    x = 402,623,938,710.60/724,803.24
  6. Step 6: Final answer
    x = 555,494.12

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1.5x scale

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.