Home / 668,641.42-1,000,566.15-578,993.32

Finding the Fourth Proportional to 668,641.42, 1,000,566.15 and 578,993.32

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Solution

The fourth proportional to 668,641.42, 1,000,566.15 and 578,993.32 is: 866,415.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,641.42 : 1,000,566.15 = 578,993.32 : x
  2. Step 2: Convert to fraction form
    668,641.42/1,000,566.15 = 578,993.32/x
  3. Step 3: Cross multiply
    668,641.42x = 1,000,566.15 × 578,993.32
  4. Step 4: Simplify right side
    668,641.42x = 579,321,117,068.12
  5. Step 5: Solve for x
    x = 579,321,117,068.12/668,641.42
  6. Step 6: Final answer
    x = 866,415.24

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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.