Home / 970,345.17-1,339,085.48-534,778.43

Finding the Fourth Proportional to 970,345.17, 1,339,085.48 and 534,778.43

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Solution

The fourth proportional to 970,345.17, 1,339,085.48 and 534,778.43 is: 737,999.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,345.17 : 1,339,085.48 = 534,778.43 : x
  2. Step 2: Convert to fraction form
    970,345.17/1,339,085.48 = 534,778.43/x
  3. Step 3: Cross multiply
    970,345.17x = 1,339,085.48 × 534,778.43
  4. Step 4: Simplify right side
    970,345.17x = 716,114,021,260.88
  5. Step 5: Solve for x
    x = 716,114,021,260.88/970,345.17
  6. Step 6: Final answer
    x = 737,999.26

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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.