Home / 770,637.21-1,154,693.49-410,425.62

Finding the Fourth Proportional to 770,637.21, 1,154,693.49 and 410,425.62

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Solution

The fourth proportional to 770,637.21, 1,154,693.49 and 410,425.62 is: 614,966.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,637.21 : 1,154,693.49 = 410,425.62 : x
  2. Step 2: Convert to fraction form
    770,637.21/1,154,693.49 = 410,425.62/x
  3. Step 3: Cross multiply
    770,637.21x = 1,154,693.49 × 410,425.62
  4. Step 4: Simplify right side
    770,637.21x = 473,915,791,543.21
  5. Step 5: Solve for x
    x = 473,915,791,543.21/770,637.21
  6. Step 6: Final answer
    x = 614,966.14

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Double scale
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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.