Home / 988,432.47-1,364,037.98-535,723.47

Finding the Fourth Proportional to 988,432.47, 1,364,037.98 and 535,723.47

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Solution

The fourth proportional to 988,432.47, 1,364,037.98 and 535,723.47 is: 739,299.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,432.47 : 1,364,037.98 = 535,723.47 : x
  2. Step 2: Convert to fraction form
    988,432.47/1,364,037.98 = 535,723.47/x
  3. Step 3: Cross multiply
    988,432.47x = 1,364,037.98 × 535,723.47
  4. Step 4: Simplify right side
    988,432.47x = 730,747,157,178.77
  5. Step 5: Solve for x
    x = 730,747,157,178.77/988,432.47
  6. Step 6: Final answer
    x = 739,299.02

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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.