Home / 771,941.67-1,063,949.47-513,356.46

Finding the Fourth Proportional to 771,941.67, 1,063,949.47 and 513,356.46

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Solution

The fourth proportional to 771,941.67, 1,063,949.47 and 513,356.46 is: 707,547.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,941.67 : 1,063,949.47 = 513,356.46 : x
  2. Step 2: Convert to fraction form
    771,941.67/1,063,949.47 = 513,356.46/x
  3. Step 3: Cross multiply
    771,941.67x = 1,063,949.47 × 513,356.46
  4. Step 4: Simplify right side
    771,941.67x = 546,185,333,538.08
  5. Step 5: Solve for x
    x = 546,185,333,538.08/771,941.67
  6. Step 6: Final answer
    x = 707,547.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.