Home / 838,345.02-1,157,075.58-475,802.82

Finding the Fourth Proportional to 838,345.02, 1,157,075.58 and 475,802.82

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Solution

The fourth proportional to 838,345.02, 1,157,075.58 and 475,802.82 is: 656,698.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,345.02 : 1,157,075.58 = 475,802.82 : x
  2. Step 2: Convert to fraction form
    838,345.02/1,157,075.58 = 475,802.82/x
  3. Step 3: Cross multiply
    838,345.02x = 1,157,075.58 × 475,802.82
  4. Step 4: Simplify right side
    838,345.02x = 550,539,823,917.14
  5. Step 5: Solve for x
    x = 550,539,823,917.14/838,345.02
  6. Step 6: Final answer
    x = 656,698.39

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Double scale
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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.