Home / 918,011.16-1,266,838.58-510,105.57

Finding the Fourth Proportional to 918,011.16, 1,266,838.58 and 510,105.57

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Solution

The fourth proportional to 918,011.16, 1,266,838.58 and 510,105.57 is: 703,936.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,011.16 : 1,266,838.58 = 510,105.57 : x
  2. Step 2: Convert to fraction form
    918,011.16/1,266,838.58 = 510,105.57/x
  3. Step 3: Cross multiply
    918,011.16x = 1,266,838.58 × 510,105.57
  4. Step 4: Simplify right side
    918,011.16x = 646,221,413,398.36
  5. Step 5: Solve for x
    x = 646,221,413,398.36/918,011.16
  6. Step 6: Final answer
    x = 703,936.34

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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.