Home / 724,595.73-999,973.37-402,305.89

Finding the Fourth Proportional to 724,595.73, 999,973.37 and 402,305.89

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Solution

The fourth proportional to 724,595.73, 999,973.37 and 402,305.89 is: 555,199.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,595.73 : 999,973.37 = 402,305.89 : x
  2. Step 2: Convert to fraction form
    724,595.73/999,973.37 = 402,305.89/x
  3. Step 3: Cross multiply
    724,595.73x = 999,973.37 × 402,305.89
  4. Step 4: Simplify right side
    724,595.73x = 402,295,169,582.75
  5. Step 5: Solve for x
    x = 402,295,169,582.75/724,595.73
  6. Step 6: Final answer
    x = 555,199.48

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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.