Home / 620,827.68-931,044.69-265,746.36

Finding the Fourth Proportional to 620,827.68, 931,044.69 and 265,746.36

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Solution

The fourth proportional to 620,827.68, 931,044.69 and 265,746.36 is: 398,535.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,827.68 : 931,044.69 = 265,746.36 : x
  2. Step 2: Convert to fraction form
    620,827.68/931,044.69 = 265,746.36/x
  3. Step 3: Cross multiply
    620,827.68x = 931,044.69 × 265,746.36
  4. Step 4: Simplify right side
    620,827.68x = 247,421,737,364.83
  5. Step 5: Solve for x
    x = 247,421,737,364.83/620,827.68
  6. Step 6: Final answer
    x = 398,535.29

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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.