Home / 670,403.04-1,005,341.04-243,837.60

Finding the Fourth Proportional to 670,403.04, 1,005,341.04 and 243,837.60

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Solution

The fourth proportional to 670,403.04, 1,005,341.04 and 243,837.60 is: 365,660.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,403.04 : 1,005,341.04 = 243,837.60 : x
  2. Step 2: Convert to fraction form
    670,403.04/1,005,341.04 = 243,837.60/x
  3. Step 3: Cross multiply
    670,403.04x = 1,005,341.04 × 243,837.60
  4. Step 4: Simplify right side
    670,403.04x = 245,139,946,375.10
  5. Step 5: Solve for x
    x = 245,139,946,375.10/670,403.04
  6. Step 6: Final answer
    x = 365,660.55

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1.5x scale

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.