Home / 749,128.02-1,033,561.11-458,436.53

Finding the Fourth Proportional to 749,128.02, 1,033,561.11 and 458,436.53

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Solution

The fourth proportional to 749,128.02, 1,033,561.11 and 458,436.53 is: 632,498.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,128.02 : 1,033,561.11 = 458,436.53 : x
  2. Step 2: Convert to fraction form
    749,128.02/1,033,561.11 = 458,436.53/x
  3. Step 3: Cross multiply
    749,128.02x = 1,033,561.11 × 458,436.53
  4. Step 4: Simplify right side
    749,128.02x = 473,822,168,811.35
  5. Step 5: Solve for x
    x = 473,822,168,811.35/749,128.02
  6. Step 6: Final answer
    x = 632,498.26

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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.