Home / 970,428.94-1,339,174.08-540,699.82

Finding the Fourth Proportional to 970,428.94, 1,339,174.08 and 540,699.82

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Solution

The fourth proportional to 970,428.94, 1,339,174.08 and 540,699.82 is: 746,155.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,428.94 : 1,339,174.08 = 540,699.82 : x
  2. Step 2: Convert to fraction form
    970,428.94/1,339,174.08 = 540,699.82/x
  3. Step 3: Cross multiply
    970,428.94x = 1,339,174.08 × 540,699.82
  4. Step 4: Simplify right side
    970,428.94x = 724,091,184,004.67
  5. Step 5: Solve for x
    x = 724,091,184,004.67/970,428.94
  6. Step 6: Final answer
    x = 746,155.80

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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.