Home / 459,969.61-634,489.02-298,931.92

Finding the Fourth Proportional to 459,969.61, 634,489.02 and 298,931.92

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Solution

The fourth proportional to 459,969.61, 634,489.02 and 298,931.92 is: 412,351.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,969.61 : 634,489.02 = 298,931.92 : x
  2. Step 2: Convert to fraction form
    459,969.61/634,489.02 = 298,931.92/x
  3. Step 3: Cross multiply
    459,969.61x = 634,489.02 × 298,931.92
  4. Step 4: Simplify right side
    459,969.61x = 189,669,020,222.04
  5. Step 5: Solve for x
    x = 189,669,020,222.04/459,969.61
  6. Step 6: Final answer
    x = 412,351.20

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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.