Home / 760,307.51-1,049,486.63-438,146.01

Finding the Fourth Proportional to 760,307.51, 1,049,486.63 and 438,146.01

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Solution

The fourth proportional to 760,307.51, 1,049,486.63 and 438,146.01 is: 604,792.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,307.51 : 1,049,486.63 = 438,146.01 : x
  2. Step 2: Convert to fraction form
    760,307.51/1,049,486.63 = 438,146.01/x
  3. Step 3: Cross multiply
    760,307.51x = 1,049,486.63 × 438,146.01
  4. Step 4: Simplify right side
    760,307.51x = 459,828,377,292.12
  5. Step 5: Solve for x
    x = 459,828,377,292.12/760,307.51
  6. Step 6: Final answer
    x = 604,792.63

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Double scale
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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.