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Finding the Fourth Proportional to 583,302.40, 818,835.20 and 583,302.40

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Solution

The fourth proportional to 583,302.40, 818,835.20 and 583,302.40 is: 818,835.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,302.40 : 818,835.20 = 583,302.40 : x
  2. Step 2: Convert to fraction form
    583,302.40/818,835.20 = 583,302.40/x
  3. Step 3: Cross multiply
    583,302.40x = 818,835.20 × 583,302.40
  4. Step 4: Simplify right side
    583,302.40x = 477,628,537,364.48
  5. Step 5: Solve for x
    x = 477,628,537,364.48/583,302.40
  6. Step 6: Final answer
    x = 818,835.20

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.