Home / 761,256.33-1,050,457.19-421,661.13

Finding the Fourth Proportional to 761,256.33, 1,050,457.19 and 421,661.13

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Solution

The fourth proportional to 761,256.33, 1,050,457.19 and 421,661.13 is: 581,849.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,256.33 : 1,050,457.19 = 421,661.13 : x
  2. Step 2: Convert to fraction form
    761,256.33/1,050,457.19 = 421,661.13/x
  3. Step 3: Cross multiply
    761,256.33x = 1,050,457.19 × 421,661.13
  4. Step 4: Simplify right side
    761,256.33x = 442,936,963,643.72
  5. Step 5: Solve for x
    x = 442,936,963,643.72/761,256.33
  6. Step 6: Final answer
    x = 581,849.96

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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.