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Finding the Fourth Proportional to 713,303.59, 984,673.08 and 499,283.77

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Solution

The fourth proportional to 713,303.59, 984,673.08 and 499,283.77 is: 689,231.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,303.59 : 984,673.08 = 499,283.77 : x
  2. Step 2: Convert to fraction form
    713,303.59/984,673.08 = 499,283.77/x
  3. Step 3: Cross multiply
    713,303.59x = 984,673.08 × 499,283.77
  4. Step 4: Simplify right side
    713,303.59x = 491,631,287,599.91
  5. Step 5: Solve for x
    x = 491,631,287,599.91/713,303.59
  6. Step 6: Final answer
    x = 689,231.48

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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.