Home / 986,409.90-1,480,392.72-506,618.28

Finding the Fourth Proportional to 986,409.90, 1,480,392.72 and 506,618.28

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Solution

The fourth proportional to 986,409.90, 1,480,392.72 and 506,618.28 is: 760,326.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,409.90 : 1,480,392.72 = 506,618.28 : x
  2. Step 2: Convert to fraction form
    986,409.90/1,480,392.72 = 506,618.28/x
  3. Step 3: Cross multiply
    986,409.90x = 1,480,392.72 × 506,618.28
  4. Step 4: Simplify right side
    986,409.90x = 749,994,013,530.92
  5. Step 5: Solve for x
    x = 749,994,013,530.92/986,409.90
  6. Step 6: Final answer
    x = 760,326.93

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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.