Home / 912,984.40-1,369,476.60-897,432.40

Finding the Fourth Proportional to 912,984.40, 1,369,476.60 and 897,432.40

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Solution

The fourth proportional to 912,984.40, 1,369,476.60 and 897,432.40 is: 1,346,148.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,984.40 : 1,369,476.60 = 897,432.40 : x
  2. Step 2: Convert to fraction form
    912,984.40/1,369,476.60 = 897,432.40/x
  3. Step 3: Cross multiply
    912,984.40x = 1,369,476.60 × 897,432.40
  4. Step 4: Simplify right side
    912,984.40x = 1,229,012,671,881.84
  5. Step 5: Solve for x
    x = 1,229,012,671,881.84/912,984.40
  6. Step 6: Final answer
    x = 1,346,148.60

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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.