Home / 724,303.77-999,492.26-402,013.95

Finding the Fourth Proportional to 724,303.77, 999,492.26 and 402,013.95

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Solution

The fourth proportional to 724,303.77, 999,492.26 and 402,013.95 is: 554,753.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,303.77 : 999,492.26 = 402,013.95 : x
  2. Step 2: Convert to fraction form
    724,303.77/999,492.26 = 402,013.95/x
  3. Step 3: Cross multiply
    724,303.77x = 999,492.26 × 402,013.95
  4. Step 4: Simplify right side
    724,303.77x = 401,809,829,426.96
  5. Step 5: Solve for x
    x = 401,809,829,426.96/724,303.77
  6. Step 6: Final answer
    x = 554,753.19

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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.