Home / 753,970.47-1,041,538.26-685,867.29

Finding the Fourth Proportional to 753,970.47, 1,041,538.26 and 685,867.29

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Solution

The fourth proportional to 753,970.47, 1,041,538.26 and 685,867.29 is: 947,460.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,970.47 : 1,041,538.26 = 685,867.29 : x
  2. Step 2: Convert to fraction form
    753,970.47/1,041,538.26 = 685,867.29/x
  3. Step 3: Cross multiply
    753,970.47x = 1,041,538.26 × 685,867.29
  4. Step 4: Simplify right side
    753,970.47x = 714,357,023,817.52
  5. Step 5: Solve for x
    x = 714,357,023,817.52/753,970.47
  6. Step 6: Final answer
    x = 947,460.22

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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.