Home / 917,929.27-1,266,334.84-611,707.35

Finding the Fourth Proportional to 917,929.27, 1,266,334.84 and 611,707.35

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Solution

The fourth proportional to 917,929.27, 1,266,334.84 and 611,707.35 is: 843,884.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,929.27 : 1,266,334.84 = 611,707.35 : x
  2. Step 2: Convert to fraction form
    917,929.27/1,266,334.84 = 611,707.35/x
  3. Step 3: Cross multiply
    917,929.27x = 1,266,334.84 × 611,707.35
  4. Step 4: Simplify right side
    917,929.27x = 774,626,334,702.46
  5. Step 5: Solve for x
    x = 774,626,334,702.46/917,929.27
  6. Step 6: Final answer
    x = 843,884.56

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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.