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Finding the Fourth Proportional to 553,315.60, 829,973.40 and 497,328.40

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Solution

The fourth proportional to 553,315.60, 829,973.40 and 497,328.40 is: 745,992.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,315.60 : 829,973.40 = 497,328.40 : x
  2. Step 2: Convert to fraction form
    553,315.60/829,973.40 = 497,328.40/x
  3. Step 3: Cross multiply
    553,315.60x = 829,973.40 × 497,328.40
  4. Step 4: Simplify right side
    553,315.60x = 412,769,343,064.56
  5. Step 5: Solve for x
    x = 412,769,343,064.56/553,315.60
  6. Step 6: Final answer
    x = 745,992.60

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Similar ratio
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1.5x scale

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.