Home / 916,292.46-1,374,109.38-317,090.94

Finding the Fourth Proportional to 916,292.46, 1,374,109.38 and 317,090.94

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Solution

The fourth proportional to 916,292.46, 1,374,109.38 and 317,090.94 is: 475,522.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,292.46 : 1,374,109.38 = 317,090.94 : x
  2. Step 2: Convert to fraction form
    916,292.46/1,374,109.38 = 317,090.94/x
  3. Step 3: Cross multiply
    916,292.46x = 1,374,109.38 × 317,090.94
  4. Step 4: Simplify right side
    916,292.46x = 435,717,634,967.02
  5. Step 5: Solve for x
    x = 435,717,634,967.02/916,292.46
  6. Step 6: Final answer
    x = 475,522.45

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.