Home / 768,048.60-1,152,947.70-452,683.20

Finding the Fourth Proportional to 768,048.60, 1,152,947.70 and 452,683.20

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Solution

The fourth proportional to 768,048.60, 1,152,947.70 and 452,683.20 is: 679,540.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,048.60 : 1,152,947.70 = 452,683.20 : x
  2. Step 2: Convert to fraction form
    768,048.60/1,152,947.70 = 452,683.20/x
  3. Step 3: Cross multiply
    768,048.60x = 1,152,947.70 × 452,683.20
  4. Step 4: Simplify right side
    768,048.60x = 521,920,054,268.64
  5. Step 5: Solve for x
    x = 521,920,054,268.64/768,048.60
  6. Step 6: Final answer
    x = 679,540.40

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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.