Home / 755,492.90-1,134,114.15-456,311.30

Finding the Fourth Proportional to 755,492.90, 1,134,114.15 and 456,311.30

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Solution

The fourth proportional to 755,492.90, 1,134,114.15 and 456,311.30 is: 684,995.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,492.90 : 1,134,114.15 = 456,311.30 : x
  2. Step 2: Convert to fraction form
    755,492.90/1,134,114.15 = 456,311.30/x
  3. Step 3: Cross multiply
    755,492.90x = 1,134,114.15 × 456,311.30
  4. Step 4: Simplify right side
    755,492.90x = 517,509,102,134.90
  5. Step 5: Solve for x
    x = 517,509,102,134.90/755,492.90
  6. Step 6: Final answer
    x = 684,995.32

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1.5x scale

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.