Home / 485,808.84-670,417.38-270,962.82

Finding the Fourth Proportional to 485,808.84, 670,417.38 and 270,962.82

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Solution

The fourth proportional to 485,808.84, 670,417.38 and 270,962.82 is: 373,929.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,808.84 : 670,417.38 = 270,962.82 : x
  2. Step 2: Convert to fraction form
    485,808.84/670,417.38 = 270,962.82/x
  3. Step 3: Cross multiply
    485,808.84x = 670,417.38 × 270,962.82
  4. Step 4: Simplify right side
    485,808.84x = 181,658,183,861.81
  5. Step 5: Solve for x
    x = 181,658,183,861.81/485,808.84
  6. Step 6: Final answer
    x = 373,929.35

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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.