Home / 807,219.40-1,210,829.10-334,827.40

Finding the Fourth Proportional to 807,219.40, 1,210,829.10 and 334,827.40

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Solution

The fourth proportional to 807,219.40, 1,210,829.10 and 334,827.40 is: 502,241.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,219.40 : 1,210,829.10 = 334,827.40 : x
  2. Step 2: Convert to fraction form
    807,219.40/1,210,829.10 = 334,827.40/x
  3. Step 3: Cross multiply
    807,219.40x = 1,210,829.10 × 334,827.40
  4. Step 4: Simplify right side
    807,219.40x = 405,418,759,397.34
  5. Step 5: Solve for x
    x = 405,418,759,397.34/807,219.40
  6. Step 6: Final answer
    x = 502,241.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.