Home / 542,928.34-748,623.79-346,430.49

Finding the Fourth Proportional to 542,928.34, 748,623.79 and 346,430.49

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Solution

The fourth proportional to 542,928.34, 748,623.79 and 346,430.49 is: 477,680.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,928.34 : 748,623.79 = 346,430.49 : x
  2. Step 2: Convert to fraction form
    542,928.34/748,623.79 = 346,430.49/x
  3. Step 3: Cross multiply
    542,928.34x = 748,623.79 × 346,430.49
  4. Step 4: Simplify right side
    542,928.34x = 259,346,106,178.84
  5. Step 5: Solve for x
    x = 259,346,106,178.84/542,928.34
  6. Step 6: Final answer
    x = 477,680.18

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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.