Home / 724,420.27-999,649.94-402,104.98

Finding the Fourth Proportional to 724,420.27, 999,649.94 and 402,104.98

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Solution

The fourth proportional to 724,420.27, 999,649.94 and 402,104.98 is: 554,877.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,420.27 : 999,649.94 = 402,104.98 : x
  2. Step 2: Convert to fraction form
    724,420.27/999,649.94 = 402,104.98/x
  3. Step 3: Cross multiply
    724,420.27x = 999,649.94 × 402,104.98
  4. Step 4: Simplify right side
    724,420.27x = 401,964,219,130.70
  5. Step 5: Solve for x
    x = 401,964,219,130.70/724,420.27
  6. Step 6: Final answer
    x = 554,877.10

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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.