Home / 830,645.01-1,146,290.61-448,671.78

Finding the Fourth Proportional to 830,645.01, 1,146,290.61 and 448,671.78

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Solution

The fourth proportional to 830,645.01, 1,146,290.61 and 448,671.78 is: 619,167.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,645.01 : 1,146,290.61 = 448,671.78 : x
  2. Step 2: Convert to fraction form
    830,645.01/1,146,290.61 = 448,671.78/x
  3. Step 3: Cross multiply
    830,645.01x = 1,146,290.61 × 448,671.78
  4. Step 4: Simplify right side
    830,645.01x = 514,308,248,385.99
  5. Step 5: Solve for x
    x = 514,308,248,385.99/830,645.01
  6. Step 6: Final answer
    x = 619,167.32

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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.