Home / 926,847.66-1,390,421.50-287,001.02

Finding the Fourth Proportional to 926,847.66, 1,390,421.50 and 287,001.02

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Solution

The fourth proportional to 926,847.66, 1,390,421.50 and 287,001.02 is: 430,547.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,847.66 : 1,390,421.50 = 287,001.02 : x
  2. Step 2: Convert to fraction form
    926,847.66/1,390,421.50 = 287,001.02/x
  3. Step 3: Cross multiply
    926,847.66x = 1,390,421.50 × 287,001.02
  4. Step 4: Simplify right side
    926,847.66x = 399,052,388,729.93
  5. Step 5: Solve for x
    x = 399,052,388,729.93/926,847.66
  6. Step 6: Final answer
    x = 430,547.98

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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.