Home / 756,210.84-1,043,562.60-429,521.64

Finding the Fourth Proportional to 756,210.84, 1,043,562.60 and 429,521.64

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Solution

The fourth proportional to 756,210.84, 1,043,562.60 and 429,521.64 is: 592,735.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,210.84 : 1,043,562.60 = 429,521.64 : x
  2. Step 2: Convert to fraction form
    756,210.84/1,043,562.60 = 429,521.64/x
  3. Step 3: Cross multiply
    756,210.84x = 1,043,562.60 × 429,521.64
  4. Step 4: Simplify right side
    756,210.84x = 448,232,719,394.66
  5. Step 5: Solve for x
    x = 448,232,719,394.66/756,210.84
  6. Step 6: Final answer
    x = 592,735.12

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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.