Home / 942,720.51-1,300,981.67-513,028.35

Finding the Fourth Proportional to 942,720.51, 1,300,981.67 and 513,028.35

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Solution

The fourth proportional to 942,720.51, 1,300,981.67 and 513,028.35 is: 707,994.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,720.51 : 1,300,981.67 = 513,028.35 : x
  2. Step 2: Convert to fraction form
    942,720.51/1,300,981.67 = 513,028.35/x
  3. Step 3: Cross multiply
    942,720.51x = 1,300,981.67 × 513,028.35
  4. Step 4: Simplify right side
    942,720.51x = 667,440,474,318.01
  5. Step 5: Solve for x
    x = 667,440,474,318.01/942,720.51
  6. Step 6: Final answer
    x = 707,994.01

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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.