Home / 757,852.57-1,045,762.08-418,298.95

Finding the Fourth Proportional to 757,852.57, 1,045,762.08 and 418,298.95

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Solution

The fourth proportional to 757,852.57, 1,045,762.08 and 418,298.95 is: 577,211.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,852.57 : 1,045,762.08 = 418,298.95 : x
  2. Step 2: Convert to fraction form
    757,852.57/1,045,762.08 = 418,298.95/x
  3. Step 3: Cross multiply
    757,852.57x = 1,045,762.08 × 418,298.95
  4. Step 4: Simplify right side
    757,852.57x = 437,441,180,013.82
  5. Step 5: Solve for x
    x = 437,441,180,013.82/757,852.57
  6. Step 6: Final answer
    x = 577,211.45

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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.