Home / 912,360.65-1,367,588.82-407,157.98

Finding the Fourth Proportional to 912,360.65, 1,367,588.82 and 407,157.98

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Solution

The fourth proportional to 912,360.65, 1,367,588.82 and 407,157.98 is: 610,312.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,360.65 : 1,367,588.82 = 407,157.98 : x
  2. Step 2: Convert to fraction form
    912,360.65/1,367,588.82 = 407,157.98/x
  3. Step 3: Cross multiply
    912,360.65x = 1,367,588.82 × 407,157.98
  4. Step 4: Simplify right side
    912,360.65x = 556,824,701,421.78
  5. Step 5: Solve for x
    x = 556,824,701,421.78/912,360.65
  6. Step 6: Final answer
    x = 610,312.05

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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.