Home / 901,285.34-1,243,910.38-514,098.86

Finding the Fourth Proportional to 901,285.34, 1,243,910.38 and 514,098.86

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Solution

The fourth proportional to 901,285.34, 1,243,910.38 and 514,098.86 is: 709,534.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,285.34 : 1,243,910.38 = 514,098.86 : x
  2. Step 2: Convert to fraction form
    901,285.34/1,243,910.38 = 514,098.86/x
  3. Step 3: Cross multiply
    901,285.34x = 1,243,910.38 × 514,098.86
  4. Step 4: Simplify right side
    901,285.34x = 639,492,908,300.17
  5. Step 5: Solve for x
    x = 639,492,908,300.17/901,285.34
  6. Step 6: Final answer
    x = 709,534.35

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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.