Home / 648,847.02-895,406.07-358,458.59

Finding the Fourth Proportional to 648,847.02, 895,406.07 and 358,458.59

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Solution

The fourth proportional to 648,847.02, 895,406.07 and 358,458.59 is: 494,671.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,847.02 : 895,406.07 = 358,458.59 : x
  2. Step 2: Convert to fraction form
    648,847.02/895,406.07 = 358,458.59/x
  3. Step 3: Cross multiply
    648,847.02x = 895,406.07 × 358,458.59
  4. Step 4: Simplify right side
    648,847.02x = 320,965,992,852.61
  5. Step 5: Solve for x
    x = 320,965,992,852.61/648,847.02
  6. Step 6: Final answer
    x = 494,671.29

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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.