Home / 876,264.30-1,314,007.65-402,705.90

Finding the Fourth Proportional to 876,264.30, 1,314,007.65 and 402,705.90

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Solution

The fourth proportional to 876,264.30, 1,314,007.65 and 402,705.90 is: 603,880.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,264.30 : 1,314,007.65 = 402,705.90 : x
  2. Step 2: Convert to fraction form
    876,264.30/1,314,007.65 = 402,705.90/x
  3. Step 3: Cross multiply
    876,264.30x = 1,314,007.65 × 402,705.90
  4. Step 4: Simplify right side
    876,264.30x = 529,158,633,300.14
  5. Step 5: Solve for x
    x = 529,158,633,300.14/876,264.30
  6. Step 6: Final answer
    x = 603,880.17

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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.