Home / 917,245.46-1,265,756.14-509,373.14

Finding the Fourth Proportional to 917,245.46, 1,265,756.14 and 509,373.14

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Solution

The fourth proportional to 917,245.46, 1,265,756.14 and 509,373.14 is: 702,911.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,245.46 : 1,265,756.14 = 509,373.14 : x
  2. Step 2: Convert to fraction form
    917,245.46/1,265,756.14 = 509,373.14/x
  3. Step 3: Cross multiply
    917,245.46x = 1,265,756.14 × 509,373.14
  4. Step 4: Simplify right side
    917,245.46x = 644,742,179,506.08
  5. Step 5: Solve for x
    x = 644,742,179,506.08/917,245.46
  6. Step 6: Final answer
    x = 702,911.28

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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.