Home / 883,289.13-1,218,955.40-501,340.51

Finding the Fourth Proportional to 883,289.13, 1,218,955.40 and 501,340.51

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Solution

The fourth proportional to 883,289.13, 1,218,955.40 and 501,340.51 is: 691,859.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,289.13 : 1,218,955.40 = 501,340.51 : x
  2. Step 2: Convert to fraction form
    883,289.13/1,218,955.40 = 501,340.51/x
  3. Step 3: Cross multiply
    883,289.13x = 1,218,955.40 × 501,340.51
  4. Step 4: Simplify right side
    883,289.13x = 611,111,721,903.25
  5. Step 5: Solve for x
    x = 611,111,721,903.25/883,289.13
  6. Step 6: Final answer
    x = 691,859.21

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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.