Home / 876,352.77-1,209,359.97-473,944.77

Finding the Fourth Proportional to 876,352.77, 1,209,359.97 and 473,944.77

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Solution

The fourth proportional to 876,352.77, 1,209,359.97 and 473,944.77 is: 654,040.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,352.77 : 1,209,359.97 = 473,944.77 : x
  2. Step 2: Convert to fraction form
    876,352.77/1,209,359.97 = 473,944.77/x
  3. Step 3: Cross multiply
    876,352.77x = 1,209,359.97 × 473,944.77
  4. Step 4: Simplify right side
    876,352.77x = 573,169,832,828.86
  5. Step 5: Solve for x
    x = 573,169,832,828.86/876,352.77
  6. Step 6: Final answer
    x = 654,040.08

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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.