Home / 765,084.40-1,146,642.45-465,246.70

Finding the Fourth Proportional to 765,084.40, 1,146,642.45 and 465,246.70

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Solution

The fourth proportional to 765,084.40, 1,146,642.45 and 465,246.70 is: 697,271.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,084.40 : 1,146,642.45 = 465,246.70 : x
  2. Step 2: Convert to fraction form
    765,084.40/1,146,642.45 = 465,246.70/x
  3. Step 3: Cross multiply
    765,084.40x = 1,146,642.45 × 465,246.70
  4. Step 4: Simplify right side
    765,084.40x = 533,471,615,942.42
  5. Step 5: Solve for x
    x = 533,471,615,942.42/765,084.40
  6. Step 6: Final answer
    x = 697,271.59

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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.