Home / 726,284.40-1,088,114.40-621,308.40

Finding the Fourth Proportional to 726,284.40, 1,088,114.40 and 621,308.40

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Solution

The fourth proportional to 726,284.40, 1,088,114.40 and 621,308.40 is: 930,840.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,284.40 : 1,088,114.40 = 621,308.40 : x
  2. Step 2: Convert to fraction form
    726,284.40/1,088,114.40 = 621,308.40/x
  3. Step 3: Cross multiply
    726,284.40x = 1,088,114.40 × 621,308.40
  4. Step 4: Simplify right side
    726,284.40x = 676,054,616,880.96
  5. Step 5: Solve for x
    x = 676,054,616,880.96/726,284.40
  6. Step 6: Final answer
    x = 930,840.06

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1.5x scale

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.