Home / 945,762.12-1,305,345.96-578,302.08

Finding the Fourth Proportional to 945,762.12, 1,305,345.96 and 578,302.08

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Solution

The fourth proportional to 945,762.12, 1,305,345.96 and 578,302.08 is: 798,175.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,762.12 : 1,305,345.96 = 578,302.08 : x
  2. Step 2: Convert to fraction form
    945,762.12/1,305,345.96 = 578,302.08/x
  3. Step 3: Cross multiply
    945,762.12x = 1,305,345.96 × 578,302.08
  4. Step 4: Simplify right side
    945,762.12x = 754,884,283,787.60
  5. Step 5: Solve for x
    x = 754,884,283,787.60/945,762.12
  6. Step 6: Final answer
    x = 798,175.64

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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.