Home / 724,820.42-1,000,224.77-402,551.28

Finding the Fourth Proportional to 724,820.42, 1,000,224.77 and 402,551.28

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Solution

The fourth proportional to 724,820.42, 1,000,224.77 and 402,551.28 is: 555,505.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,820.42 : 1,000,224.77 = 402,551.28 : x
  2. Step 2: Convert to fraction form
    724,820.42/1,000,224.77 = 402,551.28/x
  3. Step 3: Cross multiply
    724,820.42x = 1,000,224.77 × 402,551.28
  4. Step 4: Simplify right side
    724,820.42x = 402,641,759,438.45
  5. Step 5: Solve for x
    x = 402,641,759,438.45/724,820.42
  6. Step 6: Final answer
    x = 555,505.54

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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.