Home / 761,495.19-1,141,041.14-281,061.71

Finding the Fourth Proportional to 761,495.19, 1,141,041.14 and 281,061.71

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Solution

The fourth proportional to 761,495.19, 1,141,041.14 and 281,061.71 is: 421,149.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,495.19 : 1,141,041.14 = 281,061.71 : x
  2. Step 2: Convert to fraction form
    761,495.19/1,141,041.14 = 281,061.71/x
  3. Step 3: Cross multiply
    761,495.19x = 1,141,041.14 × 281,061.71
  4. Step 4: Simplify right side
    761,495.19x = 320,702,973,988.75
  5. Step 5: Solve for x
    x = 320,702,973,988.75/761,495.19
  6. Step 6: Final answer
    x = 421,149.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.