Home / 788,655.90-1,182,724.65-289,955.10

Finding the Fourth Proportional to 788,655.90, 1,182,724.65 and 289,955.10

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Solution

The fourth proportional to 788,655.90, 1,182,724.65 and 289,955.10 is: 434,837.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,655.90 : 1,182,724.65 = 289,955.10 : x
  2. Step 2: Convert to fraction form
    788,655.90/1,182,724.65 = 289,955.10/x
  3. Step 3: Cross multiply
    788,655.90x = 1,182,724.65 × 289,955.10
  4. Step 4: Simplify right side
    788,655.90x = 342,937,044,163.22
  5. Step 5: Solve for x
    x = 342,937,044,163.22/788,655.90
  6. Step 6: Final answer
    x = 434,837.35

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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.