Home / 993,916.80-1,490,875.20-329,068.80

Finding the Fourth Proportional to 993,916.80, 1,490,875.20 and 329,068.80

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Solution

The fourth proportional to 993,916.80, 1,490,875.20 and 329,068.80 is: 493,603.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,916.80 : 1,490,875.20 = 329,068.80 : x
  2. Step 2: Convert to fraction form
    993,916.80/1,490,875.20 = 329,068.80/x
  3. Step 3: Cross multiply
    993,916.80x = 1,490,875.20 × 329,068.80
  4. Step 4: Simplify right side
    993,916.80x = 490,600,513,013.76
  5. Step 5: Solve for x
    x = 490,600,513,013.76/993,916.80
  6. Step 6: Final answer
    x = 493,603.20

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