Home / 740,438.20-1,110,657.30-424,635.40

Finding the Fourth Proportional to 740,438.20, 1,110,657.30 and 424,635.40

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Solution

The fourth proportional to 740,438.20, 1,110,657.30 and 424,635.40 is: 636,953.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,438.20 : 1,110,657.30 = 424,635.40 : x
  2. Step 2: Convert to fraction form
    740,438.20/1,110,657.30 = 424,635.40/x
  3. Step 3: Cross multiply
    740,438.20x = 1,110,657.30 × 424,635.40
  4. Step 4: Simplify right side
    740,438.20x = 471,624,406,848.42
  5. Step 5: Solve for x
    x = 471,624,406,848.42/740,438.20
  6. Step 6: Final answer
    x = 636,953.10

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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.