Home / 788,670.40-1,182,746.40-289,969.60

Finding the Fourth Proportional to 788,670.40, 1,182,746.40 and 289,969.60

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Solution

The fourth proportional to 788,670.40, 1,182,746.40 and 289,969.60 is: 434,859.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,670.40 : 1,182,746.40 = 289,969.60 : x
  2. Step 2: Convert to fraction form
    788,670.40/1,182,746.40 = 289,969.60/x
  3. Step 3: Cross multiply
    788,670.40x = 1,182,746.40 × 289,969.60
  4. Step 4: Simplify right side
    788,670.40x = 342,960,500,509.44
  5. Step 5: Solve for x
    x = 342,960,500,509.44/788,670.40
  6. Step 6: Final answer
    x = 434,859.10

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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.