Home / 983,664.63-1,475,549.28-309,798.63

Finding the Fourth Proportional to 983,664.63, 1,475,549.28 and 309,798.63

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Solution

The fourth proportional to 983,664.63, 1,475,549.28 and 309,798.63 is: 464,714.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,664.63 : 1,475,549.28 = 309,798.63 : x
  2. Step 2: Convert to fraction form
    983,664.63/1,475,549.28 = 309,798.63/x
  3. Step 3: Cross multiply
    983,664.63x = 1,475,549.28 × 309,798.63
  4. Step 4: Simplify right side
    983,664.63x = 457,123,145,441.49
  5. Step 5: Solve for x
    x = 457,123,145,441.49/983,664.63
  6. Step 6: Final answer
    x = 464,714.43

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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.