Home / 761,330.76-1,140,750.30-460,900.74

Finding the Fourth Proportional to 761,330.76, 1,140,750.30 and 460,900.74

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Solution

The fourth proportional to 761,330.76, 1,140,750.30 and 460,900.74 is: 690,596.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,330.76 : 1,140,750.30 = 460,900.74 : x
  2. Step 2: Convert to fraction form
    761,330.76/1,140,750.30 = 460,900.74/x
  3. Step 3: Cross multiply
    761,330.76x = 1,140,750.30 × 460,900.74
  4. Step 4: Simplify right side
    761,330.76x = 525,772,663,431.41
  5. Step 5: Solve for x
    x = 525,772,663,431.41/761,330.76
  6. Step 6: Final answer
    x = 690,596.90

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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.