Home / 707,048.35-975,747.08-384,778.86

Finding the Fourth Proportional to 707,048.35, 975,747.08 and 384,778.86

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Solution

The fourth proportional to 707,048.35, 975,747.08 and 384,778.86 is: 531,005.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,048.35 : 975,747.08 = 384,778.86 : x
  2. Step 2: Convert to fraction form
    707,048.35/975,747.08 = 384,778.86/x
  3. Step 3: Cross multiply
    707,048.35x = 975,747.08 × 384,778.86
  4. Step 4: Simplify right side
    707,048.35x = 375,446,849,090.73
  5. Step 5: Solve for x
    x = 375,446,849,090.73/707,048.35
  6. Step 6: Final answer
    x = 531,005.91

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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.