Home / 660,475.40-909,384.18-582,870.92

Finding the Fourth Proportional to 660,475.40, 909,384.18 and 582,870.92

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Solution

The fourth proportional to 660,475.40, 909,384.18 and 582,870.92 is: 802,533.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,475.40 : 909,384.18 = 582,870.92 : x
  2. Step 2: Convert to fraction form
    660,475.40/909,384.18 = 582,870.92/x
  3. Step 3: Cross multiply
    660,475.40x = 909,384.18 × 582,870.92
  4. Step 4: Simplify right side
    660,475.40x = 530,053,593,630.05
  5. Step 5: Solve for x
    x = 530,053,593,630.05/660,475.40
  6. Step 6: Final answer
    x = 802,533.44

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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.