Home / 483,178.14-724,417.05-243,439.74

Finding the Fourth Proportional to 483,178.14, 724,417.05 and 243,439.74

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Solution

The fourth proportional to 483,178.14, 724,417.05 and 243,439.74 is: 364,983.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,178.14 : 724,417.05 = 243,439.74 : x
  2. Step 2: Convert to fraction form
    483,178.14/724,417.05 = 243,439.74/x
  3. Step 3: Cross multiply
    483,178.14x = 724,417.05 × 243,439.74
  4. Step 4: Simplify right side
    483,178.14x = 176,351,898,303.57
  5. Step 5: Solve for x
    x = 176,351,898,303.57/483,178.14
  6. Step 6: Final answer
    x = 364,983.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.