Home / 830,075.60-1,245,696.60-357,100.40

Finding the Fourth Proportional to 830,075.60, 1,245,696.60 and 357,100.40

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Solution

The fourth proportional to 830,075.60, 1,245,696.60 and 357,100.40 is: 535,901.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,075.60 : 1,245,696.60 = 357,100.40 : x
  2. Step 2: Convert to fraction form
    830,075.60/1,245,696.60 = 357,100.40/x
  3. Step 3: Cross multiply
    830,075.60x = 1,245,696.60 × 357,100.40
  4. Step 4: Simplify right side
    830,075.60x = 444,838,754,138.64
  5. Step 5: Solve for x
    x = 444,838,754,138.64/830,075.60
  6. Step 6: Final answer
    x = 535,901.49

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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.