Home / 726,929.40-1,090,394.10-575,297.40

Finding the Fourth Proportional to 726,929.40, 1,090,394.10 and 575,297.40

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Solution

The fourth proportional to 726,929.40, 1,090,394.10 and 575,297.40 is: 862,946.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,929.40 : 1,090,394.10 = 575,297.40 : x
  2. Step 2: Convert to fraction form
    726,929.40/1,090,394.10 = 575,297.40/x
  3. Step 3: Cross multiply
    726,929.40x = 1,090,394.10 × 575,297.40
  4. Step 4: Simplify right side
    726,929.40x = 627,300,890,705.34
  5. Step 5: Solve for x
    x = 627,300,890,705.34/726,929.40
  6. Step 6: Final answer
    x = 862,946.10

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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.