Home / 916,799.04-1,265,119.34-508,868.82

Finding the Fourth Proportional to 916,799.04, 1,265,119.34 and 508,868.82

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Solution

The fourth proportional to 916,799.04, 1,265,119.34 and 508,868.82 is: 702,203.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,799.04 : 1,265,119.34 = 508,868.82 : x
  2. Step 2: Convert to fraction form
    916,799.04/1,265,119.34 = 508,868.82/x
  3. Step 3: Cross multiply
    916,799.04x = 1,265,119.34 × 508,868.82
  4. Step 4: Simplify right side
    916,799.04x = 643,779,783,160.64
  5. Step 5: Solve for x
    x = 643,779,783,160.64/916,799.04
  6. Step 6: Final answer
    x = 702,203.81

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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.