Home / 875,887.60-1,208,726.66-473,479.60

Finding the Fourth Proportional to 875,887.60, 1,208,726.66 and 473,479.60

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Solution

The fourth proportional to 875,887.60, 1,208,726.66 and 473,479.60 is: 653,402.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,887.60 : 1,208,726.66 = 473,479.60 : x
  2. Step 2: Convert to fraction form
    875,887.60/1,208,726.66 = 473,479.60/x
  3. Step 3: Cross multiply
    875,887.60x = 1,208,726.66 × 473,479.60
  4. Step 4: Simplify right side
    875,887.60x = 572,307,415,486.14
  5. Step 5: Solve for x
    x = 572,307,415,486.14/875,887.60
  6. Step 6: Final answer
    x = 653,402.81

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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.