Home / 917,894.96-1,266,666.47-504,430.76

Finding the Fourth Proportional to 917,894.96, 1,266,666.47 and 504,430.76

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Solution

The fourth proportional to 917,894.96, 1,266,666.47 and 504,430.76 is: 696,098.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,894.96 : 1,266,666.47 = 504,430.76 : x
  2. Step 2: Convert to fraction form
    917,894.96/1,266,666.47 = 504,430.76/x
  3. Step 3: Cross multiply
    917,894.96x = 1,266,666.47 × 504,430.76
  4. Step 4: Simplify right side
    917,894.96x = 638,945,521,273.13
  5. Step 5: Solve for x
    x = 638,945,521,273.13/917,894.96
  6. Step 6: Final answer
    x = 696,098.74

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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.