Home / 723,196.56-997,919.04-400,903.80

Finding the Fourth Proportional to 723,196.56, 997,919.04 and 400,903.80

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Solution

The fourth proportional to 723,196.56, 997,919.04 and 400,903.80 is: 553,196.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,196.56 : 997,919.04 = 400,903.80 : x
  2. Step 2: Convert to fraction form
    723,196.56/997,919.04 = 400,903.80/x
  3. Step 3: Cross multiply
    723,196.56x = 997,919.04 × 400,903.80
  4. Step 4: Simplify right side
    723,196.56x = 400,069,535,228.35
  5. Step 5: Solve for x
    x = 400,069,535,228.35/723,196.56
  6. Step 6: Final answer
    x = 553,196.13

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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.