Home / 646,263.63-891,708.48-374,315.04

Finding the Fourth Proportional to 646,263.63, 891,708.48 and 374,315.04

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Solution

The fourth proportional to 646,263.63, 891,708.48 and 374,315.04 is: 516,476.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,263.63 : 891,708.48 = 374,315.04 : x
  2. Step 2: Convert to fraction form
    646,263.63/891,708.48 = 374,315.04/x
  3. Step 3: Cross multiply
    646,263.63x = 891,708.48 × 374,315.04
  4. Step 4: Simplify right side
    646,263.63x = 333,779,895,359.54
  5. Step 5: Solve for x
    x = 333,779,895,359.54/646,263.63
  6. Step 6: Final answer
    x = 516,476.37

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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.