Home / 389,869.10-584,803.65-202,856.30

Finding the Fourth Proportional to 389,869.10, 584,803.65 and 202,856.30

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Solution

The fourth proportional to 389,869.10, 584,803.65 and 202,856.30 is: 304,284.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,869.10 : 584,803.65 = 202,856.30 : x
  2. Step 2: Convert to fraction form
    389,869.10/584,803.65 = 202,856.30/x
  3. Step 3: Cross multiply
    389,869.10x = 584,803.65 × 202,856.30
  4. Step 4: Simplify right side
    389,869.10x = 118,631,104,665.50
  5. Step 5: Solve for x
    x = 118,631,104,665.50/389,869.10
  6. Step 6: Final answer
    x = 304,284.45

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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.