Home / 763,790.64-1,054,064.44-424,258.89

Finding the Fourth Proportional to 763,790.64, 1,054,064.44 and 424,258.89

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Solution

The fourth proportional to 763,790.64, 1,054,064.44 and 424,258.89 is: 585,495.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,790.64 : 1,054,064.44 = 424,258.89 : x
  2. Step 2: Convert to fraction form
    763,790.64/1,054,064.44 = 424,258.89/x
  3. Step 3: Cross multiply
    763,790.64x = 1,054,064.44 × 424,258.89
  4. Step 4: Simplify right side
    763,790.64x = 447,196,209,302.87
  5. Step 5: Solve for x
    x = 447,196,209,302.87/763,790.64
  6. Step 6: Final answer
    x = 585,495.80

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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.