Home / 982,887.30-1,356,802.91-660,784.32

Finding the Fourth Proportional to 982,887.30, 1,356,802.91 and 660,784.32

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Solution

The fourth proportional to 982,887.30, 1,356,802.91 and 660,784.32 is: 912,163.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,887.30 : 1,356,802.91 = 660,784.32 : x
  2. Step 2: Convert to fraction form
    982,887.30/1,356,802.91 = 660,784.32/x
  3. Step 3: Cross multiply
    982,887.30x = 1,356,802.91 × 660,784.32
  4. Step 4: Simplify right side
    982,887.30x = 896,554,084,954.45
  5. Step 5: Solve for x
    x = 896,554,084,954.45/982,887.30
  6. Step 6: Final answer
    x = 912,163.67

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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.