Home / 765,703.16-1,145,668.96-456,812.92

Finding the Fourth Proportional to 765,703.16, 1,145,668.96 and 456,812.92

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Solution

The fourth proportional to 765,703.16, 1,145,668.96 and 456,812.92 is: 683,497.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,703.16 : 1,145,668.96 = 456,812.92 : x
  2. Step 2: Convert to fraction form
    765,703.16/1,145,668.96 = 456,812.92/x
  3. Step 3: Cross multiply
    765,703.16x = 1,145,668.96 × 456,812.92
  4. Step 4: Simplify right side
    765,703.16x = 523,356,382,970.96
  5. Step 5: Solve for x
    x = 523,356,382,970.96/765,703.16
  6. Step 6: Final answer
    x = 683,497.74

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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.