Home / 762,783.24-1,144,543.50-313,835.40

Finding the Fourth Proportional to 762,783.24, 1,144,543.50 and 313,835.40

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Solution

The fourth proportional to 762,783.24, 1,144,543.50 and 313,835.40 is: 470,904.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,783.24 : 1,144,543.50 = 313,835.40 : x
  2. Step 2: Convert to fraction form
    762,783.24/1,144,543.50 = 313,835.40/x
  3. Step 3: Cross multiply
    762,783.24x = 1,144,543.50 × 313,835.40
  4. Step 4: Simplify right side
    762,783.24x = 359,198,267,139.90
  5. Step 5: Solve for x
    x = 359,198,267,139.90/762,783.24
  6. Step 6: Final answer
    x = 470,904.77

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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.