Home / 904,710.23-1,248,411.74-522,728.81

Finding the Fourth Proportional to 904,710.23, 1,248,411.74 and 522,728.81

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Solution

The fourth proportional to 904,710.23, 1,248,411.74 and 522,728.81 is: 721,314.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,710.23 : 1,248,411.74 = 522,728.81 : x
  2. Step 2: Convert to fraction form
    904,710.23/1,248,411.74 = 522,728.81/x
  3. Step 3: Cross multiply
    904,710.23x = 1,248,411.74 × 522,728.81
  4. Step 4: Simplify right side
    904,710.23x = 652,580,776,998.17
  5. Step 5: Solve for x
    x = 652,580,776,998.17/904,710.23
  6. Step 6: Final answer
    x = 721,314.69

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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.