Home / 992,860.07-1,370,152.86-540,154.31

Finding the Fourth Proportional to 992,860.07, 1,370,152.86 and 540,154.31

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Solution

The fourth proportional to 992,860.07, 1,370,152.86 and 540,154.31 is: 745,416.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,860.07 : 1,370,152.86 = 540,154.31 : x
  2. Step 2: Convert to fraction form
    992,860.07/1,370,152.86 = 540,154.31/x
  3. Step 3: Cross multiply
    992,860.07x = 1,370,152.86 × 540,154.31
  4. Step 4: Simplify right side
    992,860.07x = 740,093,972,687.83
  5. Step 5: Solve for x
    x = 740,093,972,687.83/992,860.07
  6. Step 6: Final answer
    x = 745,416.19

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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.