Home / 648,139.08-894,608.64-376,292.16

Finding the Fourth Proportional to 648,139.08, 894,608.64 and 376,292.16

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Solution

The fourth proportional to 648,139.08, 894,608.64 and 376,292.16 is: 519,385.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,139.08 : 894,608.64 = 376,292.16 : x
  2. Step 2: Convert to fraction form
    648,139.08/894,608.64 = 376,292.16/x
  3. Step 3: Cross multiply
    648,139.08x = 894,608.64 × 376,292.16
  4. Step 4: Simplify right side
    648,139.08x = 336,634,217,500.26
  5. Step 5: Solve for x
    x = 336,634,217,500.26/648,139.08
  6. Step 6: Final answer
    x = 519,385.77

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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.