Home / 779,511.52-1,075,328.88-473,506.24

Finding the Fourth Proportional to 779,511.52, 1,075,328.88 and 473,506.24

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Solution

The fourth proportional to 779,511.52, 1,075,328.88 and 473,506.24 is: 653,197.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,511.52 : 1,075,328.88 = 473,506.24 : x
  2. Step 2: Convert to fraction form
    779,511.52/1,075,328.88 = 473,506.24/x
  3. Step 3: Cross multiply
    779,511.52x = 1,075,328.88 × 473,506.24
  4. Step 4: Simplify right side
    779,511.52x = 509,174,934,732.21
  5. Step 5: Solve for x
    x = 509,174,934,732.21/779,511.52
  6. Step 6: Final answer
    x = 653,197.45

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Double scale
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Similar ratio
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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.