Home / 760,888.13-1,050,058.62-421,356.38

Finding the Fourth Proportional to 760,888.13, 1,050,058.62 and 421,356.38

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Solution

The fourth proportional to 760,888.13, 1,050,058.62 and 421,356.38 is: 581,490.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,888.13 : 1,050,058.62 = 421,356.38 : x
  2. Step 2: Convert to fraction form
    760,888.13/1,050,058.62 = 421,356.38/x
  3. Step 3: Cross multiply
    760,888.13x = 1,050,058.62 × 421,356.38
  4. Step 4: Simplify right side
    760,888.13x = 442,448,893,660.70
  5. Step 5: Solve for x
    x = 442,448,893,660.70/760,888.13
  6. Step 6: Final answer
    x = 581,490.08

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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.