Home / 450,118.14-618,565.56-429,302.76

Finding the Fourth Proportional to 450,118.14, 618,565.56 and 429,302.76

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Solution

The fourth proportional to 450,118.14, 618,565.56 and 429,302.76 is: 589,960.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,118.14 : 618,565.56 = 429,302.76 : x
  2. Step 2: Convert to fraction form
    450,118.14/618,565.56 = 429,302.76/x
  3. Step 3: Cross multiply
    450,118.14x = 618,565.56 × 429,302.76
  4. Step 4: Simplify right side
    450,118.14x = 265,551,902,148.95
  5. Step 5: Solve for x
    x = 265,551,902,148.95/450,118.14
  6. Step 6: Final answer
    x = 589,960.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.