Home / 940,688.80-1,298,174.70-510,993.52

Finding the Fourth Proportional to 940,688.80, 1,298,174.70 and 510,993.52

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Solution

The fourth proportional to 940,688.80, 1,298,174.70 and 510,993.52 is: 705,184.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,688.80 : 1,298,174.70 = 510,993.52 : x
  2. Step 2: Convert to fraction form
    940,688.80/1,298,174.70 = 510,993.52/x
  3. Step 3: Cross multiply
    940,688.80x = 1,298,174.70 × 510,993.52
  4. Step 4: Simplify right side
    940,688.80x = 663,358,859,527.94
  5. Step 5: Solve for x
    x = 663,358,859,527.94/940,688.80
  6. Step 6: Final answer
    x = 705,184.18

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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.