Home / 770,526.27-1,063,327.53-426,376.68

Finding the Fourth Proportional to 770,526.27, 1,063,327.53 and 426,376.68

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Solution

The fourth proportional to 770,526.27, 1,063,327.53 and 426,376.68 is: 588,400.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,526.27 : 1,063,327.53 = 426,376.68 : x
  2. Step 2: Convert to fraction form
    770,526.27/1,063,327.53 = 426,376.68/x
  3. Step 3: Cross multiply
    770,526.27x = 1,063,327.53 × 426,376.68
  4. Step 4: Simplify right side
    770,526.27x = 453,378,064,979.71
  5. Step 5: Solve for x
    x = 453,378,064,979.71/770,526.27
  6. Step 6: Final answer
    x = 588,400.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.