Home / 630,187.12-945,279.08-270,124.50

Finding the Fourth Proportional to 630,187.12, 945,279.08 and 270,124.50

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Solution

The fourth proportional to 630,187.12, 945,279.08 and 270,124.50 is: 405,186.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,187.12 : 945,279.08 = 270,124.50 : x
  2. Step 2: Convert to fraction form
    630,187.12/945,279.08 = 270,124.50/x
  3. Step 3: Cross multiply
    630,187.12x = 945,279.08 × 270,124.50
  4. Step 4: Simplify right side
    630,187.12x = 255,343,038,845.46
  5. Step 5: Solve for x
    x = 255,343,038,845.46/630,187.12
  6. Step 6: Final answer
    x = 405,186.06

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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.