Home / 724,205.56-999,337.63-429,804.51

Finding the Fourth Proportional to 724,205.56, 999,337.63 and 429,804.51

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Solution

The fourth proportional to 724,205.56, 999,337.63 and 429,804.51 is: 593,091.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,205.56 : 999,337.63 = 429,804.51 : x
  2. Step 2: Convert to fraction form
    724,205.56/999,337.63 = 429,804.51/x
  3. Step 3: Cross multiply
    724,205.56x = 999,337.63 × 429,804.51
  4. Step 4: Simplify right side
    724,205.56x = 429,519,820,923.97
  5. Step 5: Solve for x
    x = 429,519,820,923.97/724,205.56
  6. Step 6: Final answer
    x = 593,091.03

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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.