Home / 761,473.36-1,051,240.68-486,108.16

Finding the Fourth Proportional to 761,473.36, 1,051,240.68 and 486,108.16

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Solution

The fourth proportional to 761,473.36, 1,051,240.68 and 486,108.16 is: 671,089.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,473.36 : 1,051,240.68 = 486,108.16 : x
  2. Step 2: Convert to fraction form
    761,473.36/1,051,240.68 = 486,108.16/x
  3. Step 3: Cross multiply
    761,473.36x = 1,051,240.68 × 486,108.16
  4. Step 4: Simplify right side
    761,473.36x = 511,016,672,671.95
  5. Step 5: Solve for x
    x = 511,016,672,671.95/761,473.36
  6. Step 6: Final answer
    x = 671,089.36

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Double scale
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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.