Home / 651,645.72-899,295.36-365,155.20

Finding the Fourth Proportional to 651,645.72, 899,295.36 and 365,155.20

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Solution

The fourth proportional to 651,645.72, 899,295.36 and 365,155.20 is: 503,927.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,645.72 : 899,295.36 = 365,155.20 : x
  2. Step 2: Convert to fraction form
    651,645.72/899,295.36 = 365,155.20/x
  3. Step 3: Cross multiply
    651,645.72x = 899,295.36 × 365,155.20
  4. Step 4: Simplify right side
    651,645.72x = 328,382,377,039.87
  5. Step 5: Solve for x
    x = 328,382,377,039.87/651,645.72
  6. Step 6: Final answer
    x = 503,927.77

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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.