Home / 841,826.40-1,262,730.96-486,614.40

Finding the Fourth Proportional to 841,826.40, 1,262,730.96 and 486,614.40

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Solution

The fourth proportional to 841,826.40, 1,262,730.96 and 486,614.40 is: 729,916.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,826.40 : 1,262,730.96 = 486,614.40 : x
  2. Step 2: Convert to fraction form
    841,826.40/1,262,730.96 = 486,614.40/x
  3. Step 3: Cross multiply
    841,826.40x = 1,262,730.96 × 486,614.40
  4. Step 4: Simplify right side
    841,826.40x = 614,463,068,461.82
  5. Step 5: Solve for x
    x = 614,463,068,461.82/841,826.40
  6. Step 6: Final answer
    x = 729,916.61

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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.