Home / 459,974.76-689,666.90-302,018.69

Finding the Fourth Proportional to 459,974.76, 689,666.90 and 302,018.69

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Solution

The fourth proportional to 459,974.76, 689,666.90 and 302,018.69 is: 452,834.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,974.76 : 689,666.90 = 302,018.69 : x
  2. Step 2: Convert to fraction form
    459,974.76/689,666.90 = 302,018.69/x
  3. Step 3: Cross multiply
    459,974.76x = 689,666.90 × 302,018.69
  4. Step 4: Simplify right side
    459,974.76x = 208,292,288,715.93
  5. Step 5: Solve for x
    x = 208,292,288,715.93/459,974.76
  6. Step 6: Final answer
    x = 452,834.17

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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.