Home / 876,618.40-1,314,970.80-456,714.40

Finding the Fourth Proportional to 876,618.40, 1,314,970.80 and 456,714.40

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Solution

The fourth proportional to 876,618.40, 1,314,970.80 and 456,714.40 is: 685,094.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,618.40 : 1,314,970.80 = 456,714.40 : x
  2. Step 2: Convert to fraction form
    876,618.40/1,314,970.80 = 456,714.40/x
  3. Step 3: Cross multiply
    876,618.40x = 1,314,970.80 × 456,714.40
  4. Step 4: Simplify right side
    876,618.40x = 600,566,099,939.52
  5. Step 5: Solve for x
    x = 600,566,099,939.52/876,618.40
  6. Step 6: Final answer
    x = 685,094.11

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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.