Home / 760,461.18-1,049,548.95-438,109.98

Finding the Fourth Proportional to 760,461.18, 1,049,548.95 and 438,109.98

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Solution

The fourth proportional to 760,461.18, 1,049,548.95 and 438,109.98 is: 604,656.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,461.18 : 1,049,548.95 = 438,109.98 : x
  2. Step 2: Convert to fraction form
    760,461.18/1,049,548.95 = 438,109.98/x
  3. Step 3: Cross multiply
    760,461.18x = 1,049,548.95 × 438,109.98
  4. Step 4: Simplify right side
    760,461.18x = 459,817,869,493.52
  5. Step 5: Solve for x
    x = 459,817,869,493.52/760,461.18
  6. Step 6: Final answer
    x = 604,656.60

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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.