Home / 917,358.03-1,265,996.10-509,461.67

Finding the Fourth Proportional to 917,358.03, 1,265,996.10 and 509,461.67

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Solution

The fourth proportional to 917,358.03, 1,265,996.10 and 509,461.67 is: 703,080.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,358.03 : 1,265,996.10 = 509,461.67 : x
  2. Step 2: Convert to fraction form
    917,358.03/1,265,996.10 = 509,461.67/x
  3. Step 3: Cross multiply
    917,358.03x = 1,265,996.10 × 509,461.67
  4. Step 4: Simplify right side
    917,358.03x = 644,976,480,989.51
  5. Step 5: Solve for x
    x = 644,976,480,989.51/917,358.03
  6. Step 6: Final answer
    x = 703,080.43

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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.