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Finding the Fourth Proportional to 602,039.04, 830,807.46 and 330,106.08

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Solution

The fourth proportional to 602,039.04, 830,807.46 and 330,106.08 is: 455,542.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,039.04 : 830,807.46 = 330,106.08 : x
  2. Step 2: Convert to fraction form
    602,039.04/830,807.46 = 330,106.08/x
  3. Step 3: Cross multiply
    602,039.04x = 830,807.46 × 330,106.08
  4. Step 4: Simplify right side
    602,039.04x = 274,254,593,855.36
  5. Step 5: Solve for x
    x = 274,254,593,855.36/602,039.04
  6. Step 6: Final answer
    x = 455,542.87

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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.