Home / 848,547.81-1,273,375.76-316,494.45

Finding the Fourth Proportional to 848,547.81, 1,273,375.76 and 316,494.45

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Solution

The fourth proportional to 848,547.81, 1,273,375.76 and 316,494.45 is: 474,948.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,547.81 : 1,273,375.76 = 316,494.45 : x
  2. Step 2: Convert to fraction form
    848,547.81/1,273,375.76 = 316,494.45/x
  3. Step 3: Cross multiply
    848,547.81x = 1,273,375.76 × 316,494.45
  4. Step 4: Simplify right side
    848,547.81x = 403,016,359,222.06
  5. Step 5: Solve for x
    x = 403,016,359,222.06/848,547.81
  6. Step 6: Final answer
    x = 474,948.32

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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.