Home / 992,852.06-1,370,141.80-540,146.30

Finding the Fourth Proportional to 992,852.06, 1,370,141.80 and 540,146.30

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Solution

The fourth proportional to 992,852.06, 1,370,141.80 and 540,146.30 is: 745,405.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,852.06 : 1,370,141.80 = 540,146.30 : x
  2. Step 2: Convert to fraction form
    992,852.06/1,370,141.80 = 540,146.30/x
  3. Step 3: Cross multiply
    992,852.06x = 1,370,141.80 × 540,146.30
  4. Step 4: Simplify right side
    992,852.06x = 740,077,015,544.27
  5. Step 5: Solve for x
    x = 740,077,015,544.27/992,852.06
  6. Step 6: Final answer
    x = 745,405.13

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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.