Home / 724,291.47-999,514.89-402,004.35

Finding the Fourth Proportional to 724,291.47, 999,514.89 and 402,004.35

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Solution

The fourth proportional to 724,291.47, 999,514.89 and 402,004.35 is: 554,761.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,291.47 : 999,514.89 = 402,004.35 : x
  2. Step 2: Convert to fraction form
    724,291.47/999,514.89 = 402,004.35/x
  3. Step 3: Cross multiply
    724,291.47x = 999,514.89 × 402,004.35
  4. Step 4: Simplify right side
    724,291.47x = 401,809,333,669.77
  5. Step 5: Solve for x
    x = 401,809,333,669.77/724,291.47
  6. Step 6: Final answer
    x = 554,761.93

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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.