Home / 841,690.79-1,161,533.30-459,718.49

Finding the Fourth Proportional to 841,690.79, 1,161,533.30 and 459,718.49

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Solution

The fourth proportional to 841,690.79, 1,161,533.30 and 459,718.49 is: 634,411.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,690.79 : 1,161,533.30 = 459,718.49 : x
  2. Step 2: Convert to fraction form
    841,690.79/1,161,533.30 = 459,718.49/x
  3. Step 3: Cross multiply
    841,690.79x = 1,161,533.30 × 459,718.49
  4. Step 4: Simplify right side
    841,690.79x = 533,978,326,654.46
  5. Step 5: Solve for x
    x = 533,978,326,654.46/841,690.79
  6. Step 6: Final answer
    x = 634,411.51

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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.