Home / 821,403.94-1,133,513.56-453,875.24

Finding the Fourth Proportional to 821,403.94, 1,133,513.56 and 453,875.24

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Solution

The fourth proportional to 821,403.94, 1,133,513.56 and 453,875.24 is: 626,334.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,403.94 : 1,133,513.56 = 453,875.24 : x
  2. Step 2: Convert to fraction form
    821,403.94/1,133,513.56 = 453,875.24/x
  3. Step 3: Cross multiply
    821,403.94x = 1,133,513.56 × 453,875.24
  4. Step 4: Simplify right side
    821,403.94x = 514,473,739,088.25
  5. Step 5: Solve for x
    x = 514,473,739,088.25/821,403.94
  6. Step 6: Final answer
    x = 626,334.64

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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.