Home / 760,637.73-1,049,678.28-438,345.03

Finding the Fourth Proportional to 760,637.73, 1,049,678.28 and 438,345.03

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Solution

The fourth proportional to 760,637.73, 1,049,678.28 and 438,345.03 is: 604,915.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,637.73 : 1,049,678.28 = 438,345.03 : x
  2. Step 2: Convert to fraction form
    760,637.73/1,049,678.28 = 438,345.03/x
  3. Step 3: Cross multiply
    760,637.73x = 1,049,678.28 × 438,345.03
  4. Step 4: Simplify right side
    760,637.73x = 460,121,257,136.95
  5. Step 5: Solve for x
    x = 460,121,257,136.95/760,637.73
  6. Step 6: Final answer
    x = 604,915.11

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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.