Home / 760,802.08-1,049,894.04-421,263.04

Finding the Fourth Proportional to 760,802.08, 1,049,894.04 and 421,263.04

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Solution

The fourth proportional to 760,802.08, 1,049,894.04 and 421,263.04 is: 581,335.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,802.08 : 1,049,894.04 = 421,263.04 : x
  2. Step 2: Convert to fraction form
    760,802.08/1,049,894.04 = 421,263.04/x
  3. Step 3: Cross multiply
    760,802.08x = 1,049,894.04 × 421,263.04
  4. Step 4: Simplify right side
    760,802.08x = 442,281,554,968.28
  5. Step 5: Solve for x
    x = 442,281,554,968.28/760,802.08
  6. Step 6: Final answer
    x = 581,335.89

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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.