Home / 973,811.49-1,343,929.40-538,219.47

Finding the Fourth Proportional to 973,811.49, 1,343,929.40 and 538,219.47

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Solution

The fourth proportional to 973,811.49, 1,343,929.40 and 538,219.47 is: 742,781.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    973,811.49 : 1,343,929.40 = 538,219.47 : x
  2. Step 2: Convert to fraction form
    973,811.49/1,343,929.40 = 538,219.47/x
  3. Step 3: Cross multiply
    973,811.49x = 1,343,929.40 × 538,219.47
  4. Step 4: Simplify right side
    973,811.49x = 723,328,969,385.42
  5. Step 5: Solve for x
    x = 723,328,969,385.42/973,811.49
  6. Step 6: Final answer
    x = 742,781.31

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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.