Home / 847,419.76-1,169,455.89-465,467.50

Finding the Fourth Proportional to 847,419.76, 1,169,455.89 and 465,467.50

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Solution

The fourth proportional to 847,419.76, 1,169,455.89 and 465,467.50 is: 642,354.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,419.76 : 1,169,455.89 = 465,467.50 : x
  2. Step 2: Convert to fraction form
    847,419.76/1,169,455.89 = 465,467.50/x
  3. Step 3: Cross multiply
    847,419.76x = 1,169,455.89 × 465,467.50
  4. Step 4: Simplify right side
    847,419.76x = 544,343,709,478.58
  5. Step 5: Solve for x
    x = 544,343,709,478.58/847,419.76
  6. Step 6: Final answer
    x = 642,354.28

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1.5x scale

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.