Home / 875,066.79-1,312,641.91-425,251.77

Finding the Fourth Proportional to 875,066.79, 1,312,641.91 and 425,251.77

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Solution

The fourth proportional to 875,066.79, 1,312,641.91 and 425,251.77 is: 637,897.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,066.79 : 1,312,641.91 = 425,251.77 : x
  2. Step 2: Convert to fraction form
    875,066.79/1,312,641.91 = 425,251.77/x
  3. Step 3: Cross multiply
    875,066.79x = 1,312,641.91 × 425,251.77
  4. Step 4: Simplify right side
    875,066.79x = 558,203,296,204.41
  5. Step 5: Solve for x
    x = 558,203,296,204.41/875,066.79
  6. Step 6: Final answer
    x = 637,897.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.