Home / 916,985.91-1,375,036.46-384,363.93

Finding the Fourth Proportional to 916,985.91, 1,375,036.46 and 384,363.93

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Solution

The fourth proportional to 916,985.91, 1,375,036.46 and 384,363.93 is: 576,360.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,985.91 : 1,375,036.46 = 384,363.93 : x
  2. Step 2: Convert to fraction form
    916,985.91/1,375,036.46 = 384,363.93/x
  3. Step 3: Cross multiply
    916,985.91x = 1,375,036.46 × 384,363.93
  4. Step 4: Simplify right side
    916,985.91x = 528,514,422,334.82
  5. Step 5: Solve for x
    x = 528,514,422,334.82/916,985.91
  6. Step 6: Final answer
    x = 576,360.46

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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.