Home / 788,971.57-1,088,524.38-482,728.70

Finding the Fourth Proportional to 788,971.57, 1,088,524.38 and 482,728.70

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Solution

The fourth proportional to 788,971.57, 1,088,524.38 and 482,728.70 is: 666,008.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,971.57 : 1,088,524.38 = 482,728.70 : x
  2. Step 2: Convert to fraction form
    788,971.57/1,088,524.38 = 482,728.70/x
  3. Step 3: Cross multiply
    788,971.57x = 1,088,524.38 × 482,728.70
  4. Step 4: Simplify right side
    788,971.57x = 525,461,958,875.71
  5. Step 5: Solve for x
    x = 525,461,958,875.71/788,971.57
  6. Step 6: Final answer
    x = 666,008.74

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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.