Home / 810,875.04-1,119,001.68-448,314.72

Finding the Fourth Proportional to 810,875.04, 1,119,001.68 and 448,314.72

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Solution

The fourth proportional to 810,875.04, 1,119,001.68 and 448,314.72 is: 618,671.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,875.04 : 1,119,001.68 = 448,314.72 : x
  2. Step 2: Convert to fraction form
    810,875.04/1,119,001.68 = 448,314.72/x
  3. Step 3: Cross multiply
    810,875.04x = 1,119,001.68 × 448,314.72
  4. Step 4: Simplify right side
    810,875.04x = 501,664,924,848.73
  5. Step 5: Solve for x
    x = 501,664,924,848.73/810,875.04
  6. Step 6: Final answer
    x = 618,671.07

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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.