Home / 993,158.10-1,489,931.55-424,538.10

Finding the Fourth Proportional to 993,158.10, 1,489,931.55 and 424,538.10

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Solution

The fourth proportional to 993,158.10, 1,489,931.55 and 424,538.10 is: 636,890.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,158.10 : 1,489,931.55 = 424,538.10 : x
  2. Step 2: Convert to fraction form
    993,158.10/1,489,931.55 = 424,538.10/x
  3. Step 3: Cross multiply
    993,158.10x = 1,489,931.55 × 424,538.10
  4. Step 4: Simplify right side
    993,158.10x = 632,532,709,367.06
  5. Step 5: Solve for x
    x = 632,532,709,367.06/993,158.10
  6. Step 6: Final answer
    x = 636,890.25

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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.