Home / 838,482.84-1,157,075.28-456,501.96

Finding the Fourth Proportional to 838,482.84, 1,157,075.28 and 456,501.96

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Solution

The fourth proportional to 838,482.84, 1,157,075.28 and 456,501.96 is: 629,955.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,482.84 : 1,157,075.28 = 456,501.96 : x
  2. Step 2: Convert to fraction form
    838,482.84/1,157,075.28 = 456,501.96/x
  3. Step 3: Cross multiply
    838,482.84x = 1,157,075.28 × 456,501.96
  4. Step 4: Simplify right side
    838,482.84x = 528,207,133,187.55
  5. Step 5: Solve for x
    x = 528,207,133,187.55/838,482.84
  6. Step 6: Final answer
    x = 629,955.81

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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.