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Finding the Fourth Proportional to 652,354.56, 900,279.61 and 407,484.32

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Solution

The fourth proportional to 652,354.56, 900,279.61 and 407,484.32 is: 562,347.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,354.56 : 900,279.61 = 407,484.32 : x
  2. Step 2: Convert to fraction form
    652,354.56/900,279.61 = 407,484.32/x
  3. Step 3: Cross multiply
    652,354.56x = 900,279.61 × 407,484.32
  4. Step 4: Simplify right side
    652,354.56x = 366,849,826,526.78
  5. Step 5: Solve for x
    x = 366,849,826,526.78/652,354.56
  6. Step 6: Final answer
    x = 562,347.30

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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.