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Finding the Fourth Proportional to 545,703.60, 818,555.40 and 506,337.60

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Solution

The fourth proportional to 545,703.60, 818,555.40 and 506,337.60 is: 759,506.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,703.60 : 818,555.40 = 506,337.60 : x
  2. Step 2: Convert to fraction form
    545,703.60/818,555.40 = 506,337.60/x
  3. Step 3: Cross multiply
    545,703.60x = 818,555.40 × 506,337.60
  4. Step 4: Simplify right side
    545,703.60x = 414,465,376,703.04
  5. Step 5: Solve for x
    x = 414,465,376,703.04/545,703.60
  6. Step 6: Final answer
    x = 759,506.40

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.