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Finding the Fourth Proportional to 602,030.42, 830,792.48 and 330,100.55

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Solution

The fourth proportional to 602,030.42, 830,792.48 and 330,100.55 is: 455,533.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,030.42 : 830,792.48 = 330,100.55 : x
  2. Step 2: Convert to fraction form
    602,030.42/830,792.48 = 330,100.55/x
  3. Step 3: Cross multiply
    602,030.42x = 830,792.48 × 330,100.55
  4. Step 4: Simplify right side
    602,030.42x = 274,245,055,010.34
  5. Step 5: Solve for x
    x = 274,245,055,010.34/602,030.42
  6. Step 6: Final answer
    x = 455,533.55

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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.