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Finding the Fourth Proportional to 660,775.40, 926,951.80 and 660,775.40

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Solution

The fourth proportional to 660,775.40, 926,951.80 and 660,775.40 is: 926,951.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,775.40 : 926,951.80 = 660,775.40 : x
  2. Step 2: Convert to fraction form
    660,775.40/926,951.80 = 660,775.40/x
  3. Step 3: Cross multiply
    660,775.40x = 926,951.80 × 660,775.40
  4. Step 4: Simplify right side
    660,775.40x = 612,506,946,425.72
  5. Step 5: Solve for x
    x = 612,506,946,425.72/660,775.40
  6. Step 6: Final answer
    x = 926,951.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.