Home / 745,330.10-1,028,586.44-423,070.18

Finding the Fourth Proportional to 745,330.10, 1,028,586.44 and 423,070.18

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Solution

The fourth proportional to 745,330.10, 1,028,586.44 and 423,070.18 is: 583,854.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,330.10 : 1,028,586.44 = 423,070.18 : x
  2. Step 2: Convert to fraction form
    745,330.10/1,028,586.44 = 423,070.18/x
  3. Step 3: Cross multiply
    745,330.10x = 1,028,586.44 × 423,070.18
  4. Step 4: Simplify right side
    745,330.10x = 435,164,250,316.36
  5. Step 5: Solve for x
    x = 435,164,250,316.36/745,330.10
  6. Step 6: Final answer
    x = 583,854.39

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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.