Home / 760,995.48-1,050,232.86-421,495.32

Finding the Fourth Proportional to 760,995.48, 1,050,232.86 and 421,495.32

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Solution

The fourth proportional to 760,995.48, 1,050,232.86 and 421,495.32 is: 581,696.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,995.48 : 1,050,232.86 = 421,495.32 : x
  2. Step 2: Convert to fraction form
    760,995.48/1,050,232.86 = 421,495.32/x
  3. Step 3: Cross multiply
    760,995.48x = 1,050,232.86 × 421,495.32
  4. Step 4: Simplify right side
    760,995.48x = 442,668,235,400.22
  5. Step 5: Solve for x
    x = 442,668,235,400.22/760,995.48
  6. Step 6: Final answer
    x = 581,696.27

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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.