Home / 648,374.56-893,685.84-433,436.20

Finding the Fourth Proportional to 648,374.56, 893,685.84 and 433,436.20

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Solution

The fourth proportional to 648,374.56, 893,685.84 and 433,436.20 is: 597,425.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,374.56 : 893,685.84 = 433,436.20 : x
  2. Step 2: Convert to fraction form
    648,374.56/893,685.84 = 433,436.20/x
  3. Step 3: Cross multiply
    648,374.56x = 893,685.84 × 433,436.20
  4. Step 4: Simplify right side
    648,374.56x = 387,355,794,483.41
  5. Step 5: Solve for x
    x = 387,355,794,483.41/648,374.56
  6. Step 6: Final answer
    x = 597,425.96

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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.