Home / 761,663.34-1,051,054.95-439,354.26

Finding the Fourth Proportional to 761,663.34, 1,051,054.95 and 439,354.26

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Solution

The fourth proportional to 761,663.34, 1,051,054.95 and 439,354.26 is: 606,285.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,663.34 : 1,051,054.95 = 439,354.26 : x
  2. Step 2: Convert to fraction form
    761,663.34/1,051,054.95 = 439,354.26/x
  3. Step 3: Cross multiply
    761,663.34x = 1,051,054.95 × 439,354.26
  4. Step 4: Simplify right side
    761,663.34x = 461,785,469,776.59
  5. Step 5: Solve for x
    x = 461,785,469,776.59/761,663.34
  6. Step 6: Final answer
    x = 606,285.54

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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.