Home / 904,210.40-1,247,826.49-496,350.20

Finding the Fourth Proportional to 904,210.40, 1,247,826.49 and 496,350.20

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Solution

The fourth proportional to 904,210.40, 1,247,826.49 and 496,350.20 is: 684,972.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,210.40 : 1,247,826.49 = 496,350.20 : x
  2. Step 2: Convert to fraction form
    904,210.40/1,247,826.49 = 496,350.20/x
  3. Step 3: Cross multiply
    904,210.40x = 1,247,826.49 × 496,350.20
  4. Step 4: Simplify right side
    904,210.40x = 619,358,929,755.49
  5. Step 5: Solve for x
    x = 619,358,929,755.49/904,210.40
  6. Step 6: Final answer
    x = 684,972.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.