Home / 745,337.67-1,028,570.90-423,053.15

Finding the Fourth Proportional to 745,337.67, 1,028,570.90 and 423,053.15

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Solution

The fourth proportional to 745,337.67, 1,028,570.90 and 423,053.15 is: 583,816.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,337.67 : 1,028,570.90 = 423,053.15 : x
  2. Step 2: Convert to fraction form
    745,337.67/1,028,570.90 = 423,053.15/x
  3. Step 3: Cross multiply
    745,337.67x = 1,028,570.90 × 423,053.15
  4. Step 4: Simplify right side
    745,337.67x = 435,140,151,985.22
  5. Step 5: Solve for x
    x = 435,140,151,985.22/745,337.67
  6. Step 6: Final answer
    x = 583,816.13

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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.