Home / 912,562.62-1,369,036.68-343,931.69

Finding the Fourth Proportional to 912,562.62, 1,369,036.68 and 343,931.69

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Solution

The fourth proportional to 912,562.62, 1,369,036.68 and 343,931.69 is: 515,970.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,562.62 : 1,369,036.68 = 343,931.69 : x
  2. Step 2: Convert to fraction form
    912,562.62/1,369,036.68 = 343,931.69/x
  3. Step 3: Cross multiply
    912,562.62x = 1,369,036.68 × 343,931.69
  4. Step 4: Simplify right side
    912,562.62x = 470,855,092,179.21
  5. Step 5: Solve for x
    x = 470,855,092,179.21/912,562.62
  6. Step 6: Final answer
    x = 515,970.17

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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.