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Finding the Fourth Proportional to 652,709.10, 900,741.16 and 366,210.48

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Solution

The fourth proportional to 652,709.10, 900,741.16 and 366,210.48 is: 505,371.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,709.10 : 900,741.16 = 366,210.48 : x
  2. Step 2: Convert to fraction form
    652,709.10/900,741.16 = 366,210.48/x
  3. Step 3: Cross multiply
    652,709.10x = 900,741.16 × 366,210.48
  4. Step 4: Simplify right side
    652,709.10x = 329,860,852,559.36
  5. Step 5: Solve for x
    x = 329,860,852,559.36/652,709.10
  6. Step 6: Final answer
    x = 505,371.92

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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.