Home / 992,971-1,370,329.14-540,291.16

Finding the Fourth Proportional to 992,971, 1,370,329.14 and 540,291.16

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Solution

The fourth proportional to 992,971, 1,370,329.14 and 540,291.16 is: 745,617.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,971 : 1,370,329.14 = 540,291.16 : x
  2. Step 2: Convert to fraction form
    992,971/1,370,329.14 = 540,291.16/x
  3. Step 3: Cross multiply
    992,971x = 1,370,329.14 × 540,291.16
  4. Step 4: Simplify right side
    992,971x = 740,376,720,632.40
  5. Step 5: Solve for x
    x = 740,376,720,632.40/992,971
  6. Step 6: Final answer
    x = 745,617.67

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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.