Home / 914,911.34-1,262,580.62-507,019.91

Finding the Fourth Proportional to 914,911.34, 1,262,580.62 and 507,019.91

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Solution

The fourth proportional to 914,911.34, 1,262,580.62 and 507,019.91 is: 699,689.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,911.34 : 1,262,580.62 = 507,019.91 : x
  2. Step 2: Convert to fraction form
    914,911.34/1,262,580.62 = 507,019.91/x
  3. Step 3: Cross multiply
    914,911.34x = 1,262,580.62 × 507,019.91
  4. Step 4: Simplify right side
    914,911.34x = 640,153,512,320.14
  5. Step 5: Solve for x
    x = 640,153,512,320.14/914,911.34
  6. Step 6: Final answer
    x = 699,689.12

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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.