Home / 750,235.55-1,035,304.79-427,938.89

Finding the Fourth Proportional to 750,235.55, 1,035,304.79 and 427,938.89

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Solution

The fourth proportional to 750,235.55, 1,035,304.79 and 427,938.89 is: 590,544.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,235.55 : 1,035,304.79 = 427,938.89 : x
  2. Step 2: Convert to fraction form
    750,235.55/1,035,304.79 = 427,938.89/x
  3. Step 3: Cross multiply
    750,235.55x = 1,035,304.79 × 427,938.89
  4. Step 4: Simplify right side
    750,235.55x = 443,047,175,328.07
  5. Step 5: Solve for x
    x = 443,047,175,328.07/750,235.55
  6. Step 6: Final answer
    x = 590,544.10

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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.