Home / 986,411.90-1,480,395.72-506,620.28

Finding the Fourth Proportional to 986,411.90, 1,480,395.72 and 506,620.28

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Solution

The fourth proportional to 986,411.90, 1,480,395.72 and 506,620.28 is: 760,329.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,411.90 : 1,480,395.72 = 506,620.28 : x
  2. Step 2: Convert to fraction form
    986,411.90/1,480,395.72 = 506,620.28/x
  3. Step 3: Cross multiply
    986,411.90x = 1,480,395.72 × 506,620.28
  4. Step 4: Simplify right side
    986,411.90x = 749,998,494,177.20
  5. Step 5: Solve for x
    x = 749,998,494,177.20/986,411.90
  6. Step 6: Final answer
    x = 760,329.93

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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.