Home / 760,897.80-1,050,011.10-438,621.48

Finding the Fourth Proportional to 760,897.80, 1,050,011.10 and 438,621.48

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Solution

The fourth proportional to 760,897.80, 1,050,011.10 and 438,621.48 is: 605,281.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,897.80 : 1,050,011.10 = 438,621.48 : x
  2. Step 2: Convert to fraction form
    760,897.80/1,050,011.10 = 438,621.48/x
  3. Step 3: Cross multiply
    760,897.80x = 1,050,011.10 × 438,621.48
  4. Step 4: Simplify right side
    760,897.80x = 460,557,422,698.43
  5. Step 5: Solve for x
    x = 460,557,422,698.43/760,897.80
  6. Step 6: Final answer
    x = 605,281.58

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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.