Home / 424,689.05-586,054.38-243,271.93

Finding the Fourth Proportional to 424,689.05, 586,054.38 and 243,271.93

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Solution

The fourth proportional to 424,689.05, 586,054.38 and 243,271.93 is: 335,705.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,689.05 : 586,054.38 = 243,271.93 : x
  2. Step 2: Convert to fraction form
    424,689.05/586,054.38 = 243,271.93/x
  3. Step 3: Cross multiply
    424,689.05x = 586,054.38 × 243,271.93
  4. Step 4: Simplify right side
    424,689.05x = 142,570,580,591.31
  5. Step 5: Solve for x
    x = 142,570,580,591.31/424,689.05
  6. Step 6: Final answer
    x = 335,705.81

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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.