Home / 918,590.69-1,267,653.42-510,730.19

Finding the Fourth Proportional to 918,590.69, 1,267,653.42 and 510,730.19

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Solution

The fourth proportional to 918,590.69, 1,267,653.42 and 510,730.19 is: 704,806.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,590.69 : 1,267,653.42 = 510,730.19 : x
  2. Step 2: Convert to fraction form
    918,590.69/1,267,653.42 = 510,730.19/x
  3. Step 3: Cross multiply
    918,590.69x = 1,267,653.42 × 510,730.19
  4. Step 4: Simplify right side
    918,590.69x = 647,428,872,050.75
  5. Step 5: Solve for x
    x = 647,428,872,050.75/918,590.69
  6. Step 6: Final answer
    x = 704,806.70

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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.