Home / 528,075.90-792,113.85-304,127.10

Finding the Fourth Proportional to 528,075.90, 792,113.85 and 304,127.10

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Solution

The fourth proportional to 528,075.90, 792,113.85 and 304,127.10 is: 456,190.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,075.90 : 792,113.85 = 304,127.10 : x
  2. Step 2: Convert to fraction form
    528,075.90/792,113.85 = 304,127.10/x
  3. Step 3: Cross multiply
    528,075.90x = 792,113.85 × 304,127.10
  4. Step 4: Simplify right side
    528,075.90x = 240,903,288,070.34
  5. Step 5: Solve for x
    x = 240,903,288,070.34/528,075.90
  6. Step 6: Final answer
    x = 456,190.65

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Similar ratio
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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.