Home / 666,931.60-1,001,466.60-617,813.20

Finding the Fourth Proportional to 666,931.60, 1,001,466.60 and 617,813.20

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Solution

The fourth proportional to 666,931.60, 1,001,466.60 and 617,813.20 is: 927,710.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,931.60 : 1,001,466.60 = 617,813.20 : x
  2. Step 2: Convert to fraction form
    666,931.60/1,001,466.60 = 617,813.20/x
  3. Step 3: Cross multiply
    666,931.60x = 1,001,466.60 × 617,813.20
  4. Step 4: Simplify right side
    666,931.60x = 618,719,284,839.12
  5. Step 5: Solve for x
    x = 618,719,284,839.12/666,931.60
  6. Step 6: Final answer
    x = 927,710.26

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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.