Home / 750,075.05-1,035,150.32-423,443.35

Finding the Fourth Proportional to 750,075.05, 1,035,150.32 and 423,443.35

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Solution

The fourth proportional to 750,075.05, 1,035,150.32 and 423,443.35 is: 584,378.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,075.05 : 1,035,150.32 = 423,443.35 : x
  2. Step 2: Convert to fraction form
    750,075.05/1,035,150.32 = 423,443.35/x
  3. Step 3: Cross multiply
    750,075.05x = 1,035,150.32 × 423,443.35
  4. Step 4: Simplify right side
    750,075.05x = 438,327,517,137.16
  5. Step 5: Solve for x
    x = 438,327,517,137.16/750,075.05
  6. Step 6: Final answer
    x = 584,378.21

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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.