Home / 724,254.13-999,451.60-401,955.94

Finding the Fourth Proportional to 724,254.13, 999,451.60 and 401,955.94

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Solution

The fourth proportional to 724,254.13, 999,451.60 and 401,955.94 is: 554,688.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,254.13 : 999,451.60 = 401,955.94 : x
  2. Step 2: Convert to fraction form
    724,254.13/999,451.60 = 401,955.94/x
  3. Step 3: Cross multiply
    724,254.13x = 999,451.60 × 401,955.94
  4. Step 4: Simplify right side
    724,254.13x = 401,735,507,362.50
  5. Step 5: Solve for x
    x = 401,735,507,362.50/724,254.13
  6. Step 6: Final answer
    x = 554,688.60

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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.