Home / 761,813.54-1,051,279.91-417,637.70

Finding the Fourth Proportional to 761,813.54, 1,051,279.91 and 417,637.70

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Solution

The fourth proportional to 761,813.54, 1,051,279.91 and 417,637.70 is: 576,327.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,813.54 : 1,051,279.91 = 417,637.70 : x
  2. Step 2: Convert to fraction form
    761,813.54/1,051,279.91 = 417,637.70/x
  3. Step 3: Cross multiply
    761,813.54x = 1,051,279.91 × 417,637.70
  4. Step 4: Simplify right side
    761,813.54x = 439,054,116,324.02
  5. Step 5: Solve for x
    x = 439,054,116,324.02/761,813.54
  6. Step 6: Final answer
    x = 576,327.53

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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.