Home / 761,624.16-1,051,157.09-486,100.95

Finding the Fourth Proportional to 761,624.16, 1,051,157.09 and 486,100.95

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Solution

The fourth proportional to 761,624.16, 1,051,157.09 and 486,100.95 is: 670,893.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,624.16 : 1,051,157.09 = 486,100.95 : x
  2. Step 2: Convert to fraction form
    761,624.16/1,051,157.09 = 486,100.95/x
  3. Step 3: Cross multiply
    761,624.16x = 1,051,157.09 × 486,100.95
  4. Step 4: Simplify right side
    761,624.16x = 510,968,460,048.24
  5. Step 5: Solve for x
    x = 510,968,460,048.24/761,624.16
  6. Step 6: Final answer
    x = 670,893.19

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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.