Home / 904,200.30-1,357,639.65-505,637.10

Finding the Fourth Proportional to 904,200.30, 1,357,639.65 and 505,637.10

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Solution

The fourth proportional to 904,200.30, 1,357,639.65 and 505,637.10 is: 759,204.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,200.30 : 1,357,639.65 = 505,637.10 : x
  2. Step 2: Convert to fraction form
    904,200.30/1,357,639.65 = 505,637.10/x
  3. Step 3: Cross multiply
    904,200.30x = 1,357,639.65 × 505,637.10
  4. Step 4: Simplify right side
    904,200.30x = 686,472,975,471.02
  5. Step 5: Solve for x
    x = 686,472,975,471.02/904,200.30
  6. Step 6: Final answer
    x = 759,204.54

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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.