Home / 739,570.61-1,020,655.58-417,163.07

Finding the Fourth Proportional to 739,570.61, 1,020,655.58 and 417,163.07

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Solution

The fourth proportional to 739,570.61, 1,020,655.58 and 417,163.07 is: 575,712.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,570.61 : 1,020,655.58 = 417,163.07 : x
  2. Step 2: Convert to fraction form
    739,570.61/1,020,655.58 = 417,163.07/x
  3. Step 3: Cross multiply
    739,570.61x = 1,020,655.58 × 417,163.07
  4. Step 4: Simplify right side
    739,570.61x = 425,779,807,976.34
  5. Step 5: Solve for x
    x = 425,779,807,976.34/739,570.61
  6. Step 6: Final answer
    x = 575,712.18

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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.