Home / 612,002.40-918,003.60-577,010.40

Finding the Fourth Proportional to 612,002.40, 918,003.60 and 577,010.40

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Solution

The fourth proportional to 612,002.40, 918,003.60 and 577,010.40 is: 865,515.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,002.40 : 918,003.60 = 577,010.40 : x
  2. Step 2: Convert to fraction form
    612,002.40/918,003.60 = 577,010.40/x
  3. Step 3: Cross multiply
    612,002.40x = 918,003.60 × 577,010.40
  4. Step 4: Simplify right side
    612,002.40x = 529,697,624,437.44
  5. Step 5: Solve for x
    x = 529,697,624,437.44/612,002.40
  6. Step 6: Final answer
    x = 865,515.60

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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.