Home / 572,070.63-789,369.80-342,574.17

Finding the Fourth Proportional to 572,070.63, 789,369.80 and 342,574.17

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Solution

The fourth proportional to 572,070.63, 789,369.80 and 342,574.17 is: 472,699.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,070.63 : 789,369.80 = 342,574.17 : x
  2. Step 2: Convert to fraction form
    572,070.63/789,369.80 = 342,574.17/x
  3. Step 3: Cross multiply
    572,070.63x = 789,369.80 × 342,574.17
  4. Step 4: Simplify right side
    572,070.63x = 270,417,702,345.20
  5. Step 5: Solve for x
    x = 270,417,702,345.20/572,070.63
  6. Step 6: Final answer
    x = 472,699.85

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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.