Home / 885,053.50-1,221,465.99-545,513.02

Finding the Fourth Proportional to 885,053.50, 1,221,465.99 and 545,513.02

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Solution

The fourth proportional to 885,053.50, 1,221,465.99 and 545,513.02 is: 752,864.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,053.50 : 1,221,465.99 = 545,513.02 : x
  2. Step 2: Convert to fraction form
    885,053.50/1,221,465.99 = 545,513.02/x
  3. Step 3: Cross multiply
    885,053.50x = 1,221,465.99 × 545,513.02
  4. Step 4: Simplify right side
    885,053.50x = 666,325,601,032.19
  5. Step 5: Solve for x
    x = 666,325,601,032.19/885,053.50
  6. Step 6: Final answer
    x = 752,864.77

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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.