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Finding the Fourth Proportional to 660,578.40, 909,526.32 and 582,973.92

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Solution

The fourth proportional to 660,578.40, 909,526.32 and 582,973.92 is: 802,675.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,578.40 : 909,526.32 = 582,973.92 : x
  2. Step 2: Convert to fraction form
    660,578.40/909,526.32 = 582,973.92/x
  3. Step 3: Cross multiply
    660,578.40x = 909,526.32 × 582,973.92
  4. Step 4: Simplify right side
    660,578.40x = 530,230,124,113.57
  5. Step 5: Solve for x
    x = 530,230,124,113.57/660,578.40
  6. Step 6: Final answer
    x = 802,675.54

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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.