Home / 916,911.18-1,375,665.60-461,267.28

Finding the Fourth Proportional to 916,911.18, 1,375,665.60 and 461,267.28

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Solution

The fourth proportional to 916,911.18, 1,375,665.60 and 461,267.28 is: 692,051.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,911.18 : 1,375,665.60 = 461,267.28 : x
  2. Step 2: Convert to fraction form
    916,911.18/1,375,665.60 = 461,267.28/x
  3. Step 3: Cross multiply
    916,911.18x = 1,375,665.60 × 461,267.28
  4. Step 4: Simplify right side
    916,911.18x = 634,549,529,501.57
  5. Step 5: Solve for x
    x = 634,549,529,501.57/916,911.18
  6. Step 6: Final answer
    x = 692,051.25

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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.