Home / 975,075.89-1,345,596.98-545,355.68

Finding the Fourth Proportional to 975,075.89, 1,345,596.98 and 545,355.68

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Solution

The fourth proportional to 975,075.89, 1,345,596.98 and 545,355.68 is: 752,586.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,075.89 : 1,345,596.98 = 545,355.68 : x
  2. Step 2: Convert to fraction form
    975,075.89/1,345,596.98 = 545,355.68/x
  3. Step 3: Cross multiply
    975,075.89x = 1,345,596.98 × 545,355.68
  4. Step 4: Simplify right side
    975,075.89x = 733,828,946,579.08
  5. Step 5: Solve for x
    x = 733,828,946,579.08/975,075.89
  6. Step 6: Final answer
    x = 752,586.50

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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.