Home / 749,721.24-1,034,641.08-410,189.40

Finding the Fourth Proportional to 749,721.24, 1,034,641.08 and 410,189.40

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Solution

The fourth proportional to 749,721.24, 1,034,641.08 and 410,189.40 is: 566,075.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,721.24 : 1,034,641.08 = 410,189.40 : x
  2. Step 2: Convert to fraction form
    749,721.24/1,034,641.08 = 410,189.40/x
  3. Step 3: Cross multiply
    749,721.24x = 1,034,641.08 × 410,189.40
  4. Step 4: Simplify right side
    749,721.24x = 424,398,803,820.55
  5. Step 5: Solve for x
    x = 424,398,803,820.55/749,721.24
  6. Step 6: Final answer
    x = 566,075.47

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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.