Home / 680,929.29-1,020,065.19-530,465.07

Finding the Fourth Proportional to 680,929.29, 1,020,065.19 and 530,465.07

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Solution

The fourth proportional to 680,929.29, 1,020,065.19 and 530,465.07 is: 794,662.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,929.29 : 1,020,065.19 = 530,465.07 : x
  2. Step 2: Convert to fraction form
    680,929.29/1,020,065.19 = 530,465.07/x
  3. Step 3: Cross multiply
    680,929.29x = 1,020,065.19 × 530,465.07
  4. Step 4: Simplify right side
    680,929.29x = 541,108,952,417.91
  5. Step 5: Solve for x
    x = 541,108,952,417.91/680,929.29
  6. Step 6: Final answer
    x = 794,662.47

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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.