Home / 724,298.58-999,582.39-418,478.22

Finding the Fourth Proportional to 724,298.58, 999,582.39 and 418,478.22

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Solution

The fourth proportional to 724,298.58, 999,582.39 and 418,478.22 is: 577,529.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,298.58 : 999,582.39 = 418,478.22 : x
  2. Step 2: Convert to fraction form
    724,298.58/999,582.39 = 418,478.22/x
  3. Step 3: Cross multiply
    724,298.58x = 999,582.39 × 418,478.22
  4. Step 4: Simplify right side
    724,298.58x = 418,303,459,310.55
  5. Step 5: Solve for x
    x = 418,303,459,310.55/724,298.58
  6. Step 6: Final answer
    x = 577,529.03

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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.