Home / 904,709.35-1,248,410.54-522,727.93

Finding the Fourth Proportional to 904,709.35, 1,248,410.54 and 522,727.93

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Solution

The fourth proportional to 904,709.35, 1,248,410.54 and 522,727.93 is: 721,313.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,709.35 : 1,248,410.54 = 522,727.93 : x
  2. Step 2: Convert to fraction form
    904,709.35/1,248,410.54 = 522,727.93/x
  3. Step 3: Cross multiply
    904,709.35x = 1,248,410.54 × 522,727.93
  4. Step 4: Simplify right side
    904,709.35x = 652,579,054,750.74
  5. Step 5: Solve for x
    x = 652,579,054,750.74/904,709.35
  6. Step 6: Final answer
    x = 721,313.49

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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.