Home / 700,088.20-1,048,289.10-512,081.80

Finding the Fourth Proportional to 700,088.20, 1,048,289.10 and 512,081.80

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Solution

The fourth proportional to 700,088.20, 1,048,289.10 and 512,081.80 is: 766,774.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,088.20 : 1,048,289.10 = 512,081.80 : x
  2. Step 2: Convert to fraction form
    700,088.20/1,048,289.10 = 512,081.80/x
  3. Step 3: Cross multiply
    700,088.20x = 1,048,289.10 × 512,081.80
  4. Step 4: Simplify right side
    700,088.20x = 536,809,769,248.38
  5. Step 5: Solve for x
    x = 536,809,769,248.38/700,088.20
  6. Step 6: Final answer
    x = 766,774.49

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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.