Home / 761,783.60-1,140,432.30-562,990.16

Finding the Fourth Proportional to 761,783.60, 1,140,432.30 and 562,990.16

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Solution

The fourth proportional to 761,783.60, 1,140,432.30 and 562,990.16 is: 842,827.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,783.60 : 1,140,432.30 = 562,990.16 : x
  2. Step 2: Convert to fraction form
    761,783.60/1,140,432.30 = 562,990.16/x
  3. Step 3: Cross multiply
    761,783.60x = 1,140,432.30 × 562,990.16
  4. Step 4: Simplify right side
    761,783.60x = 642,052,163,046.17
  5. Step 5: Solve for x
    x = 642,052,163,046.17/761,783.60
  6. Step 6: Final answer
    x = 842,827.49

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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.