Home / 703,721.30-971,111.77-417,071.21

Finding the Fourth Proportional to 703,721.30, 971,111.77 and 417,071.21

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Solution

The fourth proportional to 703,721.30, 971,111.77 and 417,071.21 is: 575,544.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,721.30 : 971,111.77 = 417,071.21 : x
  2. Step 2: Convert to fraction form
    703,721.30/971,111.77 = 417,071.21/x
  3. Step 3: Cross multiply
    703,721.30x = 971,111.77 × 417,071.21
  4. Step 4: Simplify right side
    703,721.30x = 405,022,755,060.91
  5. Step 5: Solve for x
    x = 405,022,755,060.91/703,721.30
  6. Step 6: Final answer
    x = 575,544.26

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1.5x scale

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.