Home / 717,135.95-1,075,360.82-417,701.93

Finding the Fourth Proportional to 717,135.95, 1,075,360.82 and 417,701.93

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Solution

The fourth proportional to 717,135.95, 1,075,360.82 and 417,701.93 is: 626,353.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,135.95 : 1,075,360.82 = 417,701.93 : x
  2. Step 2: Convert to fraction form
    717,135.95/1,075,360.82 = 417,701.93/x
  3. Step 3: Cross multiply
    717,135.95x = 1,075,360.82 × 417,701.93
  4. Step 4: Simplify right side
    717,135.95x = 449,180,282,495.07
  5. Step 5: Solve for x
    x = 449,180,282,495.07/717,135.95
  6. Step 6: Final answer
    x = 626,353.04

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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.