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Finding the Fourth Proportional to 652,370.30, 978,555.45 and 559,058.30

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Solution

The fourth proportional to 652,370.30, 978,555.45 and 559,058.30 is: 838,587.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,370.30 : 978,555.45 = 559,058.30 : x
  2. Step 2: Convert to fraction form
    652,370.30/978,555.45 = 559,058.30/x
  3. Step 3: Cross multiply
    652,370.30x = 978,555.45 × 559,058.30
  4. Step 4: Simplify right side
    652,370.30x = 547,069,546,332.74
  5. Step 5: Solve for x
    x = 547,069,546,332.74/652,370.30
  6. Step 6: Final answer
    x = 838,587.45

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.