Home / 420,243.04-579,856.08-250,492.96

Finding the Fourth Proportional to 420,243.04, 579,856.08 and 250,492.96

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Solution

The fourth proportional to 420,243.04, 579,856.08 and 250,492.96 is: 345,633.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,243.04 : 579,856.08 = 250,492.96 : x
  2. Step 2: Convert to fraction form
    420,243.04/579,856.08 = 250,492.96/x
  3. Step 3: Cross multiply
    420,243.04x = 579,856.08 × 250,492.96
  4. Step 4: Simplify right side
    420,243.04x = 145,249,865,853.20
  5. Step 5: Solve for x
    x = 145,249,865,853.20/420,243.04
  6. Step 6: Final answer
    x = 345,633.01

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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.