Home / 956,920.86-1,320,276.78-569,412.45

Finding the Fourth Proportional to 956,920.86, 1,320,276.78 and 569,412.45

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Solution

The fourth proportional to 956,920.86, 1,320,276.78 and 569,412.45 is: 785,626.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,920.86 : 1,320,276.78 = 569,412.45 : x
  2. Step 2: Convert to fraction form
    956,920.86/1,320,276.78 = 569,412.45/x
  3. Step 3: Cross multiply
    956,920.86x = 1,320,276.78 × 569,412.45
  4. Step 4: Simplify right side
    956,920.86x = 751,782,035,977.91
  5. Step 5: Solve for x
    x = 751,782,035,977.91/956,920.86
  6. Step 6: Final answer
    x = 785,626.13

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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.