Home / 918,591.69-1,267,654.80-510,731.19

Finding the Fourth Proportional to 918,591.69, 1,267,654.80 and 510,731.19

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Solution

The fourth proportional to 918,591.69, 1,267,654.80 and 510,731.19 is: 704,808.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,591.69 : 1,267,654.80 = 510,731.19 : x
  2. Step 2: Convert to fraction form
    918,591.69/1,267,654.80 = 510,731.19/x
  3. Step 3: Cross multiply
    918,591.69x = 1,267,654.80 × 510,731.19
  4. Step 4: Simplify right side
    918,591.69x = 647,430,844,513.21
  5. Step 5: Solve for x
    x = 647,430,844,513.21/918,591.69
  6. Step 6: Final answer
    x = 704,808.08

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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.